4084780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 9918720

約数和(自身を除く): 5833940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 179, 326, 358, 652, 716, 815, 895, 1141, 1253, 1630, 1790, 2282, 2506, 3260, 3580, 4564, 5012, 5705, 6265, 11410, 12530, 22820, 25060, 29177, 58354, 116708, 145885, 204239, 291770, 408478, 583540, 816956, 1021195, 2042390, 4084780]

約数ペア:

[(1, 4084780), (2, 2042390), (4, 1021195), (5, 816956), (7, 583540), (10, 408478), (14, 291770), (20, 204239), (28, 145885), (35, 116708), (70, 58354), (140, 29177), (163, 25060), (179, 22820), (326, 12530), (358, 11410), (652, 6265), (716, 5705), (815, 5012), (895, 4564), (1141, 3580), (1253, 3260), (1630, 2506), (1790, 2282)]