538890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 64

約数和(自身を含む): 1492992

約数和(自身を除く): 954102

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 71, 110, 115, 138, 142, 165, 213, 230, 253, 330, 345, 355, 426, 506, 690, 710, 759, 781, 1065, 1265, 1518, 1562, 1633, 2130, 2343, 2530, 3266, 3795, 3905, 4686, 4899, 7590, 7810, 8165, 9798, 11715, 16330, 17963, 23430, 24495, 35926, 48990, 53889, 89815, 107778, 179630, 269445, 538890]

約数ペア:

[(1, 538890), (2, 269445), (3, 179630), (5, 107778), (6, 89815), (10, 53889), (11, 48990), (15, 35926), (22, 24495), (23, 23430), (30, 17963), (33, 16330), (46, 11715), (55, 9798), (66, 8165), (69, 7810), (71, 7590), (110, 4899), (115, 4686), (138, 3905), (142, 3795), (165, 3266), (213, 2530), (230, 2343), (253, 2130), (330, 1633), (345, 1562), (355, 1518), (426, 1265), (506, 1065), (690, 781), (710, 759)]