490518

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 1291680

約数和(自身を除く): 801162

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 229, 238, 306, 357, 458, 687, 714, 1071, 1374, 1603, 2061, 2142, 3206, 3893, 4122, 4809, 7786, 9618, 11679, 14427, 23358, 27251, 28854, 35037, 54502, 70074, 81753, 163506, 245259, 490518]

約数ペア:

[(1, 490518), (2, 245259), (3, 163506), (6, 81753), (7, 70074), (9, 54502), (14, 35037), (17, 28854), (18, 27251), (21, 23358), (34, 14427), (42, 11679), (51, 9618), (63, 7786), (102, 4809), (119, 4122), (126, 3893), (153, 3206), (229, 2142), (238, 2061), (306, 1603), (357, 1374), (458, 1071), (687, 714)]