404187830

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{4447}}^1$

素因数の和:4664

約数の個数: 32

約数和(自身を含む): 744595200

約数和(自身を除く): 340407370

約数列:

[1, 2, 5, 10, 61, 122, 149, 298, 305, 610, 745, 1490, 4447, 8894, 9089, 18178, 22235, 44470, 45445, 90890, 271267, 542534, 662603, 1325206, 1356335, 2712670, 3313015, 6626030, 40418783, 80837566, 202093915, 404187830]

約数ペア:

[(1, 404187830), (2, 202093915), (5, 80837566), (10, 40418783), (61, 6626030), (122, 3313015), (149, 2712670), (298, 1356335), (305, 1325206), (610, 662603), (745, 542534), (1490, 271267), (4447, 90890), (8894, 45445), (9089, 44470), (18178, 22235)]