253442290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1223}}^1$

素因数の和:1323

約数の個数: 64

約数和(自身を含む): 513962496

約数和(自身を除く): 260520206

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 53, 85, 106, 115, 170, 230, 265, 391, 530, 782, 901, 1219, 1223, 1802, 1955, 2438, 2446, 3910, 4505, 6095, 6115, 9010, 12190, 12230, 20723, 20791, 28129, 41446, 41582, 56258, 64819, 103615, 103955, 129638, 140645, 207230, 207910, 281290, 324095, 478193, 648190, 956386, 1101923, 1490837, 2203846, 2390965, 2981674, 4781930, 5509615, 7454185, 11019230, 14908370, 25344229, 50688458, 126721145, 253442290]

約数ペア:

[(1, 253442290), (2, 126721145), (5, 50688458), (10, 25344229), (17, 14908370), (23, 11019230), (34, 7454185), (46, 5509615), (53, 4781930), (85, 2981674), (106, 2390965), (115, 2203846), (170, 1490837), (230, 1101923), (265, 956386), (391, 648190), (530, 478193), (782, 324095), (901, 281290), (1219, 207910), (1223, 207230), (1802, 140645), (1955, 129638), (2438, 103955), (2446, 103615), (3910, 64819), (4505, 56258), (6095, 41582), (6115, 41446), (9010, 28129), (12190, 20791), (12230, 20723)]