78886670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 157248000

約数和(自身を除く): 78361330

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 103, 139, 145, 190, 206, 278, 290, 515, 551, 695, 1030, 1102, 1390, 1957, 2641, 2755, 2987, 3914, 4031, 5282, 5510, 5974, 8062, 9785, 13205, 14317, 14935, 19570, 20155, 26410, 28634, 29870, 40310, 56753, 71585, 76589, 113506, 143170, 153178, 272023, 283765, 382945, 415193, 544046, 567530, 765890, 830386, 1360115, 2075965, 2720230, 4151930, 7888667, 15777334, 39443335, 78886670]

約数ペア:

[(1, 78886670), (2, 39443335), (5, 15777334), (10, 7888667), (19, 4151930), (29, 2720230), (38, 2075965), (58, 1360115), (95, 830386), (103, 765890), (139, 567530), (145, 544046), (190, 415193), (206, 382945), (278, 283765), (290, 272023), (515, 153178), (551, 143170), (695, 113506), (1030, 76589), (1102, 71585), (1390, 56753), (1957, 40310), (2641, 29870), (2755, 28634), (2987, 26410), (3914, 20155), (4031, 19570), (5282, 14935), (5510, 14317), (5974, 13205), (8062, 9785)]