1855660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 4177152

約数和(自身を除く): 2321492

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 73, 82, 124, 146, 155, 164, 205, 292, 310, 365, 410, 620, 730, 820, 1271, 1460, 2263, 2542, 2993, 4526, 5084, 5986, 6355, 9052, 11315, 11972, 12710, 14965, 22630, 25420, 29930, 45260, 59860, 92783, 185566, 371132, 463915, 927830, 1855660]

約数ペア:

[(1, 1855660), (2, 927830), (4, 463915), (5, 371132), (10, 185566), (20, 92783), (31, 59860), (41, 45260), (62, 29930), (73, 25420), (82, 22630), (124, 14965), (146, 12710), (155, 11972), (164, 11315), (205, 9052), (292, 6355), (310, 5986), (365, 5084), (410, 4526), (620, 2993), (730, 2542), (820, 2263), (1271, 1460)]