490356790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1297}}^1$

素因数の和:1813

約数の個数: 64

約数和(自身を含む): 1103528448

約数和(自身を除く): 613171658

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 491, 770, 982, 1297, 2455, 2594, 3437, 4910, 5401, 6485, 6874, 9079, 10802, 12970, 14267, 17185, 18158, 27005, 28534, 34370, 37807, 45395, 54010, 71335, 75614, 90790, 99869, 142670, 189035, 199738, 378070, 499345, 636827, 998690, 1273654, 3184135, 4457789, 6368270, 7005097, 8915578, 14010194, 22288945, 35025485, 44577890, 49035679, 70050970, 98071358, 245178395, 490356790]

約数ペア:

[(1, 490356790), (2, 245178395), (5, 98071358), (7, 70050970), (10, 49035679), (11, 44577890), (14, 35025485), (22, 22288945), (35, 14010194), (55, 8915578), (70, 7005097), (77, 6368270), (110, 4457789), (154, 3184135), (385, 1273654), (491, 998690), (770, 636827), (982, 499345), (1297, 378070), (2455, 199738), (2594, 189035), (3437, 142670), (4910, 99869), (5401, 90790), (6485, 75614), (6874, 71335), (9079, 54010), (10802, 45395), (12970, 37807), (14267, 34370), (17185, 28534), (18158, 27005)]