7143710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 15266880

約数和(自身を除く): 8123170

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 239, 245, 305, 427, 478, 490, 610, 854, 1195, 1673, 2135, 2390, 2989, 3346, 4270, 5978, 8365, 11711, 14579, 14945, 16730, 23422, 29158, 29890, 58555, 72895, 102053, 117110, 145790, 204106, 510265, 714371, 1020530, 1428742, 3571855, 7143710]

約数ペア:

[(1, 7143710), (2, 3571855), (5, 1428742), (7, 1020530), (10, 714371), (14, 510265), (35, 204106), (49, 145790), (61, 117110), (70, 102053), (98, 72895), (122, 58555), (239, 29890), (245, 29158), (305, 23422), (427, 16730), (478, 14945), (490, 14579), (610, 11711), (854, 8365), (1195, 5978), (1673, 4270), (2135, 3346), (2390, 2989)]