4680821380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{19157}}^1$

素因数の和:19828

約数の個数: 48

約数和(自身を含む): 10363711680

約数和(自身を除く): 5682890300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 643, 1286, 2572, 3215, 6430, 12217, 12860, 19157, 24434, 38314, 48868, 61085, 76628, 95785, 122170, 191570, 244340, 363983, 383140, 727966, 1455932, 1819915, 3639830, 7279660, 12317951, 24635902, 49271804, 61589755, 123179510, 234041069, 246359020, 468082138, 936164276, 1170205345, 2340410690, 4680821380]

約数ペア:

[(1, 4680821380), (2, 2340410690), (4, 1170205345), (5, 936164276), (10, 468082138), (19, 246359020), (20, 234041069), (38, 123179510), (76, 61589755), (95, 49271804), (190, 24635902), (380, 12317951), (643, 7279660), (1286, 3639830), (2572, 1819915), (3215, 1455932), (6430, 727966), (12217, 383140), (12860, 363983), (19157, 244340), (24434, 191570), (38314, 122170), (48868, 95785), (61085, 76628)]