280449932

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:607

約数の個数: 72

約数和(自身を含む): 596469888

約数和(自身を除く): 316019956

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 101, 124, 196, 202, 217, 404, 434, 457, 707, 868, 914, 1414, 1519, 1828, 2828, 3038, 3131, 3199, 4949, 6076, 6262, 6398, 9898, 12524, 12796, 14167, 19796, 21917, 22393, 28334, 43834, 44786, 46157, 56668, 87668, 89572, 92314, 99169, 153419, 184628, 198338, 306838, 323099, 396676, 613676, 646198, 694183, 1292396, 1388366, 1430867, 2261693, 2776732, 2861734, 4523386, 5723468, 9046772, 10016069, 20032138, 40064276, 70112483, 140224966, 280449932]

約数ペア:

[(1, 280449932), (2, 140224966), (4, 70112483), (7, 40064276), (14, 20032138), (28, 10016069), (31, 9046772), (49, 5723468), (62, 4523386), (98, 2861734), (101, 2776732), (124, 2261693), (196, 1430867), (202, 1388366), (217, 1292396), (404, 694183), (434, 646198), (457, 613676), (707, 396676), (868, 323099), (914, 306838), (1414, 198338), (1519, 184628), (1828, 153419), (2828, 99169), (3038, 92314), (3131, 89572), (3199, 87668), (4949, 56668), (6076, 46157), (6262, 44786), (6398, 43834), (9898, 28334), (12524, 22393), (12796, 21917), (14167, 19796)]