2944240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 7812000

約数和(自身を除く): 4867760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 149, 152, 190, 208, 247, 260, 298, 304, 380, 494, 520, 596, 745, 760, 988, 1040, 1192, 1235, 1490, 1520, 1937, 1976, 2384, 2470, 2831, 2980, 3874, 3952, 4940, 5662, 5960, 7748, 9685, 9880, 11324, 11920, 14155, 15496, 19370, 19760, 22648, 28310, 30992, 36803, 38740, 45296, 56620, 73606, 77480, 113240, 147212, 154960, 184015, 226480, 294424, 368030, 588848, 736060, 1472120, 2944240]

約数ペア:

[(1, 2944240), (2, 1472120), (4, 736060), (5, 588848), (8, 368030), (10, 294424), (13, 226480), (16, 184015), (19, 154960), (20, 147212), (26, 113240), (38, 77480), (40, 73606), (52, 56620), (65, 45296), (76, 38740), (80, 36803), (95, 30992), (104, 28310), (130, 22648), (149, 19760), (152, 19370), (190, 15496), (208, 14155), (247, 11920), (260, 11324), (298, 9880), (304, 9685), (380, 7748), (494, 5960), (520, 5662), (596, 4940), (745, 3952), (760, 3874), (988, 2980), (1040, 2831), (1192, 2470), (1235, 2384), (1490, 1976), (1520, 1937)]