27970280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 72009000

約数和(自身を除く): 44038720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 149, 152, 190, 247, 260, 298, 361, 380, 494, 520, 596, 722, 745, 760, 988, 1192, 1235, 1444, 1490, 1805, 1937, 1976, 2470, 2831, 2888, 2980, 3610, 3874, 4693, 4940, 5662, 5960, 7220, 7748, 9386, 9685, 9880, 11324, 14155, 14440, 15496, 18772, 19370, 22648, 23465, 28310, 36803, 37544, 38740, 46930, 53789, 56620, 73606, 77480, 93860, 107578, 113240, 147212, 184015, 187720, 215156, 268945, 294424, 368030, 430312, 537890, 699257, 736060, 1075780, 1398514, 1472120, 2151560, 2797028, 3496285, 5594056, 6992570, 13985140, 27970280]

約数ペア:

[(1, 27970280), (2, 13985140), (4, 6992570), (5, 5594056), (8, 3496285), (10, 2797028), (13, 2151560), (19, 1472120), (20, 1398514), (26, 1075780), (38, 736060), (40, 699257), (52, 537890), (65, 430312), (76, 368030), (95, 294424), (104, 268945), (130, 215156), (149, 187720), (152, 184015), (190, 147212), (247, 113240), (260, 107578), (298, 93860), (361, 77480), (380, 73606), (494, 56620), (520, 53789), (596, 46930), (722, 38740), (745, 37544), (760, 36803), (988, 28310), (1192, 23465), (1235, 22648), (1444, 19370), (1490, 18772), (1805, 15496), (1937, 14440), (1976, 14155), (2470, 11324), (2831, 9880), (2888, 9685), (2980, 9386), (3610, 7748), (3874, 7220), (4693, 5960), (4940, 5662)]