248755260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{318917}}^1$

素因数の和:318942

約数の個数: 48

約数和(自身を含む): 750095136

約数和(自身を除く): 501339876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 318917, 637834, 956751, 1275668, 1594585, 1913502, 3189170, 3827004, 4145921, 4783755, 6378340, 8291842, 9567510, 12437763, 16583684, 19135020, 20729605, 24875526, 41459210, 49751052, 62188815, 82918420, 124377630, 248755260]

約数ペア:

[(1, 248755260), (2, 124377630), (3, 82918420), (4, 62188815), (5, 49751052), (6, 41459210), (10, 24875526), (12, 20729605), (13, 19135020), (15, 16583684), (20, 12437763), (26, 9567510), (30, 8291842), (39, 6378340), (52, 4783755), (60, 4145921), (65, 3827004), (78, 3189170), (130, 1913502), (156, 1594585), (195, 1275668), (260, 956751), (390, 637834), (780, 318917)]