82389580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 225227520

約数和(自身を除く): 142837940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 49, 52, 58, 65, 70, 91, 98, 116, 130, 140, 145, 182, 196, 203, 223, 245, 260, 290, 364, 377, 406, 446, 455, 490, 580, 637, 754, 812, 892, 910, 980, 1015, 1115, 1274, 1421, 1508, 1561, 1820, 1885, 2030, 2230, 2548, 2639, 2842, 2899, 3122, 3185, 3770, 4060, 4460, 5278, 5684, 5798, 6244, 6370, 6467, 7105, 7540, 7805, 10556, 10927, 11596, 12740, 12934, 13195, 14210, 14495, 15610, 18473, 20293, 21854, 25868, 26390, 28420, 28990, 31220, 32335, 36946, 40586, 43708, 45269, 52780, 54635, 57980, 64670, 73892, 81172, 84071, 90538, 92365, 101465, 109270, 129340, 142051, 168142, 181076, 184730, 202930, 218540, 226345, 284102, 316883, 336284, 369460, 405860, 420355, 452690, 568204, 588497, 633766, 710255, 840710, 905380, 1176994, 1267532, 1420510, 1584415, 1681420, 2353988, 2841020, 2942485, 3168830, 4119479, 5884970, 6337660, 8238958, 11769940, 16477916, 20597395, 41194790, 82389580]

約数ペア:

[(1, 82389580), (2, 41194790), (4, 20597395), (5, 16477916), (7, 11769940), (10, 8238958), (13, 6337660), (14, 5884970), (20, 4119479), (26, 3168830), (28, 2942485), (29, 2841020), (35, 2353988), (49, 1681420), (52, 1584415), (58, 1420510), (65, 1267532), (70, 1176994), (91, 905380), (98, 840710), (116, 710255), (130, 633766), (140, 588497), (145, 568204), (182, 452690), (196, 420355), (203, 405860), (223, 369460), (245, 336284), (260, 316883), (290, 284102), (364, 226345), (377, 218540), (406, 202930), (446, 184730), (455, 181076), (490, 168142), (580, 142051), (637, 129340), (754, 109270), (812, 101465), (892, 92365), (910, 90538), (980, 84071), (1015, 81172), (1115, 73892), (1274, 64670), (1421, 57980), (1508, 54635), (1561, 52780), (1820, 45269), (1885, 43708), (2030, 40586), (2230, 36946), (2548, 32335), (2639, 31220), (2842, 28990), (2899, 28420), (3122, 26390), (3185, 25868), (3770, 21854), (4060, 20293), (4460, 18473), (5278, 15610), (5684, 14495), (5798, 14210), (6244, 13195), (6370, 12934), (6467, 12740), (7105, 11596), (7540, 10927), (7805, 10556)]