728079020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{22157}}^1$

素因数の和:22250

約数の個数: 48

約数和(自身を含む): 1608139008

約数和(自身を除く): 880059988

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1643, 3286, 6572, 8215, 16430, 22157, 32860, 44314, 88628, 110785, 221570, 443140, 686867, 1174321, 1373734, 2348642, 2747468, 3434335, 4697284, 5871605, 6868670, 11743210, 13737340, 23486420, 36403951, 72807902, 145615804, 182019755, 364039510, 728079020]

約数ペア:

[(1, 728079020), (2, 364039510), (4, 182019755), (5, 145615804), (10, 72807902), (20, 36403951), (31, 23486420), (53, 13737340), (62, 11743210), (106, 6868670), (124, 5871605), (155, 4697284), (212, 3434335), (265, 2747468), (310, 2348642), (530, 1373734), (620, 1174321), (1060, 686867), (1643, 443140), (3286, 221570), (6572, 110785), (8215, 88628), (16430, 44314), (22157, 32860)]