209538840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{691}}^1$

素因数の和:750

約数の個数: 192

約数和(自身を含む): 759317760

約数和(自身を除く): 549778920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 361, 380, 399, 420, 456, 532, 570, 665, 691, 722, 760, 798, 840, 1064, 1083, 1140, 1330, 1382, 1444, 1596, 1805, 1995, 2073, 2166, 2280, 2527, 2660, 2764, 2888, 3192, 3455, 3610, 3990, 4146, 4332, 4837, 5054, 5320, 5415, 5528, 6910, 7220, 7581, 7980, 8292, 8664, 9674, 10108, 10365, 10830, 12635, 13129, 13820, 14440, 14511, 15162, 15960, 16584, 19348, 20216, 20730, 21660, 24185, 25270, 26258, 27640, 29022, 30324, 37905, 38696, 39387, 41460, 43320, 48370, 50540, 52516, 58044, 60648, 65645, 72555, 75810, 78774, 82920, 91903, 96740, 101080, 105032, 116088, 131290, 145110, 151620, 157548, 183806, 193480, 196935, 249451, 262580, 275709, 290220, 303240, 315096, 367612, 393870, 459515, 498902, 525160, 551418, 580440, 735224, 748353, 787740, 919030, 997804, 1102836, 1247255, 1378545, 1496706, 1575480, 1746157, 1838060, 1995608, 2205672, 2494510, 2757090, 2993412, 3492314, 3676120, 3741765, 4989020, 5238471, 5514180, 5986824, 6984628, 7483530, 8730785, 9978040, 10476942, 11028360, 13969256, 14967060, 17461570, 20953884, 26192355, 29934120, 34923140, 41907768, 52384710, 69846280, 104769420, 209538840]

約数ペア:

[(1, 209538840), (2, 104769420), (3, 69846280), (4, 52384710), (5, 41907768), (6, 34923140), (7, 29934120), (8, 26192355), (10, 20953884), (12, 17461570), (14, 14967060), (15, 13969256), (19, 11028360), (20, 10476942), (21, 9978040), (24, 8730785), (28, 7483530), (30, 6984628), (35, 5986824), (38, 5514180), (40, 5238471), (42, 4989020), (56, 3741765), (57, 3676120), (60, 3492314), (70, 2993412), (76, 2757090), (84, 2494510), (95, 2205672), (105, 1995608), (114, 1838060), (120, 1746157), (133, 1575480), (140, 1496706), (152, 1378545), (168, 1247255), (190, 1102836), (210, 997804), (228, 919030), (266, 787740), (280, 748353), (285, 735224), (361, 580440), (380, 551418), (399, 525160), (420, 498902), (456, 459515), (532, 393870), (570, 367612), (665, 315096), (691, 303240), (722, 290220), (760, 275709), (798, 262580), (840, 249451), (1064, 196935), (1083, 193480), (1140, 183806), (1330, 157548), (1382, 151620), (1444, 145110), (1596, 131290), (1805, 116088), (1995, 105032), (2073, 101080), (2166, 96740), (2280, 91903), (2527, 82920), (2660, 78774), (2764, 75810), (2888, 72555), (3192, 65645), (3455, 60648), (3610, 58044), (3990, 52516), (4146, 50540), (4332, 48370), (4837, 43320), (5054, 41460), (5320, 39387), (5415, 38696), (5528, 37905), (6910, 30324), (7220, 29022), (7581, 27640), (7980, 26258), (8292, 25270), (8664, 24185), (9674, 21660), (10108, 20730), (10365, 20216), (10830, 19348), (12635, 16584), (13129, 15960), (13820, 15162), (14440, 14511)]