77251420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 165745440

約数和(自身を除く): 88494020

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 173, 269, 332, 346, 415, 538, 692, 830, 865, 1076, 1345, 1660, 1730, 2690, 3460, 5380, 14359, 22327, 28718, 44654, 46537, 57436, 71795, 89308, 93074, 111635, 143590, 186148, 223270, 232685, 287180, 446540, 465370, 930740, 3862571, 7725142, 15450284, 19312855, 38625710, 77251420]

約数ペア:

[(1, 77251420), (2, 38625710), (4, 19312855), (5, 15450284), (10, 7725142), (20, 3862571), (83, 930740), (166, 465370), (173, 446540), (269, 287180), (332, 232685), (346, 223270), (415, 186148), (538, 143590), (692, 111635), (830, 93074), (865, 89308), (1076, 71795), (1345, 57436), (1660, 46537), (1730, 44654), (2690, 28718), (3460, 22327), (5380, 14359)]