138624940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 307761552

約数和(自身を除く): 169136612

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 83, 122, 148, 166, 185, 244, 305, 332, 370, 415, 610, 740, 830, 1220, 1369, 1660, 2257, 2738, 3071, 4514, 5063, 5476, 6142, 6845, 9028, 10126, 11285, 12284, 13690, 15355, 20252, 22570, 25315, 27380, 30710, 45140, 50630, 61420, 83509, 101260, 113627, 167018, 187331, 227254, 334036, 374662, 417545, 454508, 568135, 749324, 835090, 936655, 1136270, 1670180, 1873310, 2272540, 3746620, 6931247, 13862494, 27724988, 34656235, 69312470, 138624940]

約数ペア:

[(1, 138624940), (2, 69312470), (4, 34656235), (5, 27724988), (10, 13862494), (20, 6931247), (37, 3746620), (61, 2272540), (74, 1873310), (83, 1670180), (122, 1136270), (148, 936655), (166, 835090), (185, 749324), (244, 568135), (305, 454508), (332, 417545), (370, 374662), (415, 334036), (610, 227254), (740, 187331), (830, 167018), (1220, 113627), (1369, 101260), (1660, 83509), (2257, 61420), (2738, 50630), (3071, 45140), (4514, 30710), (5063, 27380), (5476, 25315), (6142, 22570), (6845, 20252), (9028, 15355), (10126, 13690), (11285, 12284)]