189268990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{829}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 366926400

約数和(自身を除く): 177657410

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 289, 395, 578, 790, 829, 1343, 1445, 1658, 2686, 2890, 4145, 6715, 8290, 13430, 14093, 22831, 28186, 45662, 65491, 70465, 114155, 130982, 140930, 228310, 239581, 327455, 479162, 654910, 1113347, 1197905, 2226694, 2395810, 5566735, 11133470, 18926899, 37853798, 94634495, 189268990]

約数ペア:

[(1, 189268990), (2, 94634495), (5, 37853798), (10, 18926899), (17, 11133470), (34, 5566735), (79, 2395810), (85, 2226694), (158, 1197905), (170, 1113347), (289, 654910), (395, 479162), (578, 327455), (790, 239581), (829, 228310), (1343, 140930), (1445, 130982), (1658, 114155), (2686, 70465), (2890, 65491), (4145, 45662), (6715, 28186), (8290, 22831), (13430, 14093)]