888939177140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{887}}^1\times {\mathrm{1022639}}^1$

素因数の和:1023549

約数の個数: 72

約数和(自身を含む): 2174001742080

約数和(自身を除く): 1285062564940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 887, 980, 1774, 3548, 4435, 6209, 8870, 12418, 17740, 24836, 31045, 43463, 62090, 86926, 124180, 173852, 217315, 434630, 869260, 1022639, 2045278, 4090556, 5113195, 7158473, 10226390, 14316946, 20452780, 28633892, 35792365, 50109311, 71584730, 100218622, 143169460, 200437244, 250546555, 501093110, 907080793, 1002186220, 1814161586, 3628323172, 4535403965, 6349565551, 9070807930, 12699131102, 18141615860, 25398262204, 31747827755, 44446958857, 63495655510, 88893917714, 126991311020, 177787835428, 222234794285, 444469588570, 888939177140]

約数ペア:

[(1, 888939177140), (2, 444469588570), (4, 222234794285), (5, 177787835428), (7, 126991311020), (10, 88893917714), (14, 63495655510), (20, 44446958857), (28, 31747827755), (35, 25398262204), (49, 18141615860), (70, 12699131102), (98, 9070807930), (140, 6349565551), (196, 4535403965), (245, 3628323172), (490, 1814161586), (887, 1002186220), (980, 907080793), (1774, 501093110), (3548, 250546555), (4435, 200437244), (6209, 143169460), (8870, 100218622), (12418, 71584730), (17740, 50109311), (24836, 35792365), (31045, 28633892), (43463, 20452780), (62090, 14316946), (86926, 10226390), (124180, 7158473), (173852, 5113195), (217315, 4090556), (434630, 2045278), (869260, 1022639)]