31802980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3907}}^1$

素因数の和:3964

約数の個数: 48

約数和(自身を含む): 74846016

約数和(自身を除く): 43043036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 3907, 4070, 7814, 8140, 15628, 19535, 39070, 42977, 78140, 85954, 144559, 171908, 214885, 289118, 429770, 578236, 722795, 859540, 1445590, 1590149, 2891180, 3180298, 6360596, 7950745, 15901490, 31802980]

約数ペア:

[(1, 31802980), (2, 15901490), (4, 7950745), (5, 6360596), (10, 3180298), (11, 2891180), (20, 1590149), (22, 1445590), (37, 859540), (44, 722795), (55, 578236), (74, 429770), (110, 289118), (148, 214885), (185, 171908), (220, 144559), (370, 85954), (407, 78140), (740, 42977), (814, 39070), (1628, 19535), (2035, 15628), (3907, 8140), (4070, 7814)]