199759970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{3271}}^1$

素因数の和:3506

約数の個数: 32

約数和(自身を含む): 373165056

約数和(自身を除く): 173405086

約数列:

[1, 2, 5, 10, 31, 62, 155, 197, 310, 394, 985, 1970, 3271, 6107, 6542, 12214, 16355, 30535, 32710, 61070, 101401, 202802, 507005, 644387, 1014010, 1288774, 3221935, 6443870, 19975997, 39951994, 99879985, 199759970]

約数ペア:

[(1, 199759970), (2, 99879985), (5, 39951994), (10, 19975997), (31, 6443870), (62, 3221935), (155, 1288774), (197, 1014010), (310, 644387), (394, 507005), (985, 202802), (1970, 101401), (3271, 61070), (6107, 32710), (6542, 30535), (12214, 16355)]