296780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 725760

約数和(自身を除く): 428980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 71, 76, 95, 110, 142, 190, 209, 220, 284, 355, 380, 418, 710, 781, 836, 1045, 1349, 1420, 1562, 2090, 2698, 3124, 3905, 4180, 5396, 6745, 7810, 13490, 14839, 15620, 26980, 29678, 59356, 74195, 148390, 296780]

約数ペア:

[(1, 296780), (2, 148390), (4, 74195), (5, 59356), (10, 29678), (11, 26980), (19, 15620), (20, 14839), (22, 13490), (38, 7810), (44, 6745), (55, 5396), (71, 4180), (76, 3905), (95, 3124), (110, 2698), (142, 2090), (190, 1562), (209, 1420), (220, 1349), (284, 1045), (355, 836), (380, 781), (418, 710)]