389475240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:784

約数の個数: 256

約数和(自身を含む): 1482762240

約数和(自身を除く): 1093287000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 61, 66, 70, 77, 84, 88, 105, 110, 120, 122, 132, 140, 154, 165, 168, 183, 210, 220, 231, 244, 264, 280, 305, 308, 330, 366, 385, 420, 427, 440, 462, 488, 610, 616, 660, 671, 691, 732, 770, 840, 854, 915, 924, 1155, 1220, 1281, 1320, 1342, 1382, 1464, 1540, 1708, 1830, 1848, 2013, 2073, 2135, 2310, 2440, 2562, 2684, 2764, 3080, 3355, 3416, 3455, 3660, 4026, 4146, 4270, 4620, 4697, 4837, 5124, 5368, 5528, 6405, 6710, 6910, 7320, 7601, 8052, 8292, 8540, 9240, 9394, 9674, 10065, 10248, 10365, 12810, 13420, 13820, 14091, 14511, 15202, 16104, 16584, 17080, 18788, 19348, 20130, 20730, 22803, 23485, 24185, 25620, 26840, 27640, 28182, 29022, 30404, 37576, 38005, 38696, 40260, 41460, 42151, 45606, 46970, 48370, 51240, 53207, 56364, 58044, 60808, 70455, 72555, 76010, 80520, 82920, 84302, 91212, 93940, 96740, 106414, 112728, 114015, 116088, 126453, 140910, 145110, 152020, 159621, 168604, 182424, 187880, 193480, 210755, 212828, 228030, 252906, 266035, 281820, 290220, 295057, 304040, 319242, 337208, 421510, 425656, 456060, 463661, 505812, 532070, 563640, 580440, 590114, 632265, 638484, 798105, 843020, 885171, 912120, 927322, 1011624, 1064140, 1180228, 1264530, 1276968, 1390983, 1475285, 1596210, 1686040, 1770342, 1854644, 2128280, 2318305, 2360456, 2529060, 2781966, 2950570, 3192420, 3245627, 3540684, 3709288, 4425855, 4636610, 5058120, 5563932, 5901140, 6384840, 6491254, 6954915, 7081368, 8851710, 9273220, 9736881, 11127864, 11802280, 12982508, 13909830, 16228135, 17703420, 18546440, 19473762, 25965016, 27819660, 32456270, 35406840, 38947524, 48684405, 55639320, 64912540, 77895048, 97368810, 129825080, 194737620, 389475240]

約数ペア:

[(1, 389475240), (2, 194737620), (3, 129825080), (4, 97368810), (5, 77895048), (6, 64912540), (7, 55639320), (8, 48684405), (10, 38947524), (11, 35406840), (12, 32456270), (14, 27819660), (15, 25965016), (20, 19473762), (21, 18546440), (22, 17703420), (24, 16228135), (28, 13909830), (30, 12982508), (33, 11802280), (35, 11127864), (40, 9736881), (42, 9273220), (44, 8851710), (55, 7081368), (56, 6954915), (60, 6491254), (61, 6384840), (66, 5901140), (70, 5563932), (77, 5058120), (84, 4636610), (88, 4425855), (105, 3709288), (110, 3540684), (120, 3245627), (122, 3192420), (132, 2950570), (140, 2781966), (154, 2529060), (165, 2360456), (168, 2318305), (183, 2128280), (210, 1854644), (220, 1770342), (231, 1686040), (244, 1596210), (264, 1475285), (280, 1390983), (305, 1276968), (308, 1264530), (330, 1180228), (366, 1064140), (385, 1011624), (420, 927322), (427, 912120), (440, 885171), (462, 843020), (488, 798105), (610, 638484), (616, 632265), (660, 590114), (671, 580440), (691, 563640), (732, 532070), (770, 505812), (840, 463661), (854, 456060), (915, 425656), (924, 421510), (1155, 337208), (1220, 319242), (1281, 304040), (1320, 295057), (1342, 290220), (1382, 281820), (1464, 266035), (1540, 252906), (1708, 228030), (1830, 212828), (1848, 210755), (2013, 193480), (2073, 187880), (2135, 182424), (2310, 168604), (2440, 159621), (2562, 152020), (2684, 145110), (2764, 140910), (3080, 126453), (3355, 116088), (3416, 114015), (3455, 112728), (3660, 106414), (4026, 96740), (4146, 93940), (4270, 91212), (4620, 84302), (4697, 82920), (4837, 80520), (5124, 76010), (5368, 72555), (5528, 70455), (6405, 60808), (6710, 58044), (6910, 56364), (7320, 53207), (7601, 51240), (8052, 48370), (8292, 46970), (8540, 45606), (9240, 42151), (9394, 41460), (9674, 40260), (10065, 38696), (10248, 38005), (10365, 37576), (12810, 30404), (13420, 29022), (13820, 28182), (14091, 27640), (14511, 26840), (15202, 25620), (16104, 24185), (16584, 23485), (17080, 22803), (18788, 20730), (19348, 20130)]