1311403750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{55217}}^1$

素因数の和:55258

約数の個数: 40

約数和(自身を含む): 2587515480

約数和(自身を除く): 1276111730

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 950, 1250, 2375, 4750, 11875, 23750, 55217, 110434, 276085, 552170, 1049123, 1380425, 2098246, 2760850, 5245615, 6902125, 10491230, 13804250, 26228075, 34510625, 52456150, 69021250, 131140375, 262280750, 655701875, 1311403750]

約数ペア:

[(1, 1311403750), (2, 655701875), (5, 262280750), (10, 131140375), (19, 69021250), (25, 52456150), (38, 34510625), (50, 26228075), (95, 13804250), (125, 10491230), (190, 6902125), (250, 5245615), (475, 2760850), (625, 2098246), (950, 1380425), (1250, 1049123), (2375, 552170), (4750, 276085), (11875, 110434), (23750, 55217)]