291228770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{218969}}^1$

素因数の和:219002

約数の個数: 32

約数和(自身を含む): 630633600

約数和(自身を除く): 339404830

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 218969, 437938, 1094845, 1532783, 2189690, 3065566, 4160411, 7663915, 8320822, 15327830, 20802055, 29122877, 41604110, 58245754, 145614385, 291228770]

約数ペア:

[(1, 291228770), (2, 145614385), (5, 58245754), (7, 41604110), (10, 29122877), (14, 20802055), (19, 15327830), (35, 8320822), (38, 7663915), (70, 4160411), (95, 3065566), (133, 2189690), (190, 1532783), (266, 1094845), (665, 437938), (1330, 218969)]