280405930

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{2819}}^1$

素因数の和:2876

約数の個数: 64

約数和(自身を含む): 609120000

約数和(自身を除く): 328714070

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 343, 406, 490, 686, 1015, 1421, 1715, 2030, 2819, 2842, 3430, 5638, 7105, 9947, 14095, 14210, 19733, 19894, 28190, 39466, 49735, 81751, 98665, 99470, 138131, 163502, 197330, 276262, 408755, 572257, 690655, 817510, 966917, 1144514, 1381310, 1933834, 2861285, 4005799, 4834585, 5722570, 8011598, 9669170, 20028995, 28040593, 40057990, 56081186, 140202965, 280405930]

約数ペア:

[(1, 280405930), (2, 140202965), (5, 56081186), (7, 40057990), (10, 28040593), (14, 20028995), (29, 9669170), (35, 8011598), (49, 5722570), (58, 4834585), (70, 4005799), (98, 2861285), (145, 1933834), (203, 1381310), (245, 1144514), (290, 966917), (343, 817510), (406, 690655), (490, 572257), (686, 408755), (1015, 276262), (1421, 197330), (1715, 163502), (2030, 138131), (2819, 99470), (2842, 98665), (3430, 81751), (5638, 49735), (7105, 39466), (9947, 28190), (14095, 19894), (14210, 19733)]