253490570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{239}}^1\times {\mathrm{367}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 488056320

約数和(自身を除く): 234565750

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 239, 289, 367, 478, 578, 734, 1195, 1445, 1835, 2390, 2890, 3670, 4063, 6239, 8126, 12478, 20315, 31195, 40630, 62390, 69071, 87713, 106063, 138142, 175426, 212126, 345355, 438565, 530315, 690710, 877130, 1060630, 1491121, 2982242, 7455605, 14911210, 25349057, 50698114, 126745285, 253490570]

約数ペア:

[(1, 253490570), (2, 126745285), (5, 50698114), (10, 25349057), (17, 14911210), (34, 7455605), (85, 2982242), (170, 1491121), (239, 1060630), (289, 877130), (367, 690710), (478, 530315), (578, 438565), (734, 345355), (1195, 212126), (1445, 175426), (1835, 138142), (2390, 106063), (2890, 87713), (3670, 69071), (4063, 62390), (6239, 40630), (8126, 31195), (12478, 20315)]