72004775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 102627360

約数和(自身を除く): 30622585

約数列:

[1, 5, 17, 19, 25, 37, 85, 95, 185, 241, 323, 425, 475, 629, 703, 925, 1205, 1615, 3145, 3515, 4097, 4579, 6025, 8075, 8917, 11951, 15725, 17575, 20485, 22895, 44585, 59755, 77843, 102425, 114475, 151589, 169423, 222925, 298775, 389215, 757945, 847115, 1946075, 2880191, 3789725, 4235575, 14400955, 72004775]

約数ペア:

[(1, 72004775), (5, 14400955), (17, 4235575), (19, 3789725), (25, 2880191), (37, 1946075), (85, 847115), (95, 757945), (185, 389215), (241, 298775), (323, 222925), (425, 169423), (475, 151589), (629, 114475), (703, 102425), (925, 77843), (1205, 59755), (1615, 44585), (3145, 22895), (3515, 20485), (4097, 17575), (4579, 15725), (6025, 11951), (8075, 8917)]