2219320

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 5047920

約数和(自身を除く): 2828600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 491, 565, 904, 982, 1130, 1964, 2260, 2455, 3928, 4520, 4910, 9820, 19640, 55483, 110966, 221932, 277415, 443864, 554830, 1109660, 2219320]

約数ペア:

[(1, 2219320), (2, 1109660), (4, 554830), (5, 443864), (8, 277415), (10, 221932), (20, 110966), (40, 55483), (113, 19640), (226, 9820), (452, 4910), (491, 4520), (565, 3928), (904, 2455), (982, 2260), (1130, 1964)]