77363780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1997}}^1$

素因数の和:2168

約数の個数: 48

約数和(自身を含む): 176223600

約数和(自身を除く): 98859820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1937, 1997, 2980, 3874, 3994, 7748, 7988, 9685, 9985, 19370, 19970, 25961, 38740, 39940, 51922, 103844, 129805, 259610, 297553, 519220, 595106, 1190212, 1487765, 2975530, 3868189, 5951060, 7736378, 15472756, 19340945, 38681890, 77363780]

約数ペア:

[(1, 77363780), (2, 38681890), (4, 19340945), (5, 15472756), (10, 7736378), (13, 5951060), (20, 3868189), (26, 2975530), (52, 1487765), (65, 1190212), (130, 595106), (149, 519220), (260, 297553), (298, 259610), (596, 129805), (745, 103844), (1490, 51922), (1937, 39940), (1997, 38740), (2980, 25961), (3874, 19970), (3994, 19370), (7748, 9985), (7988, 9685)]