256523910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{140177}}^1$

素因数の和:140248

約数の個数: 32

約数和(自身を含む): 625754592

約数和(自身を除く): 369230682

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 140177, 280354, 420531, 700885, 841062, 1401770, 2102655, 4205310, 8550797, 17101594, 25652391, 42753985, 51304782, 85507970, 128261955, 256523910]

約数ペア:

[(1, 256523910), (2, 128261955), (3, 85507970), (5, 51304782), (6, 42753985), (10, 25652391), (15, 17101594), (30, 8550797), (61, 4205310), (122, 2102655), (183, 1401770), (305, 841062), (366, 700885), (610, 420531), (915, 280354), (1830, 140177)]