85886220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 283143168

約数和(自身を除く): 197256948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 131, 140, 147, 196, 210, 223, 245, 262, 294, 393, 420, 446, 490, 524, 588, 655, 669, 735, 786, 892, 917, 980, 1115, 1310, 1338, 1470, 1561, 1572, 1834, 1965, 2230, 2620, 2676, 2751, 2940, 3122, 3345, 3668, 3930, 4460, 4585, 4683, 5502, 6244, 6419, 6690, 7805, 7860, 9170, 9366, 10927, 11004, 12838, 13380, 13755, 15610, 18340, 18732, 19257, 21854, 23415, 25676, 27510, 29213, 31220, 32095, 32781, 38514, 43708, 46830, 54635, 55020, 58426, 64190, 65562, 77028, 87639, 93660, 96285, 109270, 116852, 128380, 131124, 146065, 163905, 175278, 192570, 204491, 218540, 292130, 327810, 350556, 385140, 408982, 438195, 584260, 613473, 655620, 817964, 876390, 1022455, 1226946, 1431437, 1752780, 2044910, 2453892, 2862874, 3067365, 4089820, 4294311, 5725748, 6134730, 7157185, 8588622, 12269460, 14314370, 17177244, 21471555, 28628740, 42943110, 85886220]

約数ペア:

[(1, 85886220), (2, 42943110), (3, 28628740), (4, 21471555), (5, 17177244), (6, 14314370), (7, 12269460), (10, 8588622), (12, 7157185), (14, 6134730), (15, 5725748), (20, 4294311), (21, 4089820), (28, 3067365), (30, 2862874), (35, 2453892), (42, 2044910), (49, 1752780), (60, 1431437), (70, 1226946), (84, 1022455), (98, 876390), (105, 817964), (131, 655620), (140, 613473), (147, 584260), (196, 438195), (210, 408982), (223, 385140), (245, 350556), (262, 327810), (294, 292130), (393, 218540), (420, 204491), (446, 192570), (490, 175278), (524, 163905), (588, 146065), (655, 131124), (669, 128380), (735, 116852), (786, 109270), (892, 96285), (917, 93660), (980, 87639), (1115, 77028), (1310, 65562), (1338, 64190), (1470, 58426), (1561, 55020), (1572, 54635), (1834, 46830), (1965, 43708), (2230, 38514), (2620, 32781), (2676, 32095), (2751, 31220), (2940, 29213), (3122, 27510), (3345, 25676), (3668, 23415), (3930, 21854), (4460, 19257), (4585, 18732), (4683, 18340), (5502, 15610), (6244, 13755), (6419, 13380), (6690, 12838), (7805, 11004), (7860, 10927), (9170, 9366)]