68651750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 137592000

約数和(自身を除く): 68940250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 97, 125, 149, 190, 194, 250, 298, 475, 485, 745, 950, 970, 1490, 1843, 2375, 2425, 2831, 3686, 3725, 4750, 4850, 5662, 7450, 9215, 12125, 14155, 14453, 18430, 18625, 24250, 28310, 28906, 37250, 46075, 70775, 72265, 92150, 141550, 144530, 230375, 274607, 353875, 361325, 460750, 549214, 707750, 722650, 1373035, 1806625, 2746070, 3613250, 6865175, 13730350, 34325875, 68651750]

約数ペア:

[(1, 68651750), (2, 34325875), (5, 13730350), (10, 6865175), (19, 3613250), (25, 2746070), (38, 1806625), (50, 1373035), (95, 722650), (97, 707750), (125, 549214), (149, 460750), (190, 361325), (194, 353875), (250, 274607), (298, 230375), (475, 144530), (485, 141550), (745, 92150), (950, 72265), (970, 70775), (1490, 46075), (1843, 37250), (2375, 28906), (2425, 28310), (2831, 24250), (3686, 18625), (3725, 18430), (4750, 14453), (4850, 14155), (5662, 12125), (7450, 9215)]