890403920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{9521}}^1$

素因数の和:9708

約数の個数: 80

約数和(自身を含む): 2380347648

約数和(自身を除く): 1489943728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 167, 280, 334, 560, 668, 835, 1169, 1336, 1670, 2338, 2672, 3340, 4676, 5845, 6680, 9352, 9521, 11690, 13360, 18704, 19042, 23380, 38084, 46760, 47605, 66647, 76168, 93520, 95210, 133294, 152336, 190420, 266588, 333235, 380840, 533176, 666470, 761680, 1066352, 1332940, 1590007, 2665880, 3180014, 5331760, 6360028, 7950035, 11130049, 12720056, 15900070, 22260098, 25440112, 31800140, 44520196, 55650245, 63600280, 89040392, 111300490, 127200560, 178080784, 222600980, 445201960, 890403920]

約数ペア:

[(1, 890403920), (2, 445201960), (4, 222600980), (5, 178080784), (7, 127200560), (8, 111300490), (10, 89040392), (14, 63600280), (16, 55650245), (20, 44520196), (28, 31800140), (35, 25440112), (40, 22260098), (56, 15900070), (70, 12720056), (80, 11130049), (112, 7950035), (140, 6360028), (167, 5331760), (280, 3180014), (334, 2665880), (560, 1590007), (668, 1332940), (835, 1066352), (1169, 761680), (1336, 666470), (1670, 533176), (2338, 380840), (2672, 333235), (3340, 266588), (4676, 190420), (5845, 152336), (6680, 133294), (9352, 95210), (9521, 93520), (11690, 76168), (13360, 66647), (18704, 47605), (19042, 46760), (23380, 38084)]