408494020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:733

約数の個数: 96

約数和(自身を含む): 997194240

約数和(自身を除く): 588700220

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 239, 340, 374, 457, 478, 748, 914, 935, 956, 1195, 1828, 1870, 2285, 2390, 2629, 3740, 4063, 4570, 4780, 5027, 5258, 7769, 8126, 9140, 10054, 10516, 13145, 15538, 16252, 20108, 20315, 25135, 26290, 31076, 38845, 40630, 44693, 50270, 52580, 77690, 81260, 85459, 89386, 100540, 109223, 155380, 170918, 178772, 218446, 223465, 341836, 427295, 436892, 446930, 546115, 854590, 893860, 1092230, 1201453, 1709180, 1856791, 2184460, 2402906, 3713582, 4805812, 6007265, 7427164, 9283955, 12014530, 18567910, 20424701, 24029060, 37135820, 40849402, 81698804, 102123505, 204247010, 408494020]

約数ペア:

[(1, 408494020), (2, 204247010), (4, 102123505), (5, 81698804), (10, 40849402), (11, 37135820), (17, 24029060), (20, 20424701), (22, 18567910), (34, 12014530), (44, 9283955), (55, 7427164), (68, 6007265), (85, 4805812), (110, 3713582), (170, 2402906), (187, 2184460), (220, 1856791), (239, 1709180), (340, 1201453), (374, 1092230), (457, 893860), (478, 854590), (748, 546115), (914, 446930), (935, 436892), (956, 427295), (1195, 341836), (1828, 223465), (1870, 218446), (2285, 178772), (2390, 170918), (2629, 155380), (3740, 109223), (4063, 100540), (4570, 89386), (4780, 85459), (5027, 81260), (5258, 77690), (7769, 52580), (8126, 50270), (9140, 44693), (10054, 40630), (10516, 38845), (13145, 31076), (15538, 26290), (16252, 25135), (20108, 20315)]