805389190

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1\times {\mathrm{1801}}^1$

素因数の和:2232

約数の個数: 32

約数和(自身を含む): 1464290784

約数和(自身を除く): 658901594

約数列:

[1, 2, 5, 10, 197, 227, 394, 454, 985, 1135, 1801, 1970, 2270, 3602, 9005, 18010, 44719, 89438, 223595, 354797, 408827, 447190, 709594, 817654, 1773985, 2044135, 3547970, 4088270, 80538919, 161077838, 402694595, 805389190]

約数ペア:

[(1, 805389190), (2, 402694595), (5, 161077838), (10, 80538919), (197, 4088270), (227, 3547970), (394, 2044135), (454, 1773985), (985, 817654), (1135, 709594), (1801, 447190), (1970, 408827), (2270, 354797), (3602, 223595), (9005, 89438), (18010, 44719)]