858609640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{14533}}^1$

素因数の和:14762

約数の個数: 64

約数和(自身を含む): 2218469760

約数和(自身を除く): 1359860120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1477, 1688, 2110, 2954, 4220, 5908, 7385, 8440, 11816, 14533, 14770, 29066, 29540, 58132, 59080, 72665, 101731, 116264, 145330, 203462, 290660, 406924, 508655, 581320, 813848, 1017310, 2034620, 3066463, 4069240, 6132926, 12265852, 15332315, 21465241, 24531704, 30664630, 42930482, 61329260, 85860964, 107326205, 122658520, 171721928, 214652410, 429304820, 858609640]

約数ペア:

[(1, 858609640), (2, 429304820), (4, 214652410), (5, 171721928), (7, 122658520), (8, 107326205), (10, 85860964), (14, 61329260), (20, 42930482), (28, 30664630), (35, 24531704), (40, 21465241), (56, 15332315), (70, 12265852), (140, 6132926), (211, 4069240), (280, 3066463), (422, 2034620), (844, 1017310), (1055, 813848), (1477, 581320), (1688, 508655), (2110, 406924), (2954, 290660), (4220, 203462), (5908, 145330), (7385, 116264), (8440, 101731), (11816, 72665), (14533, 59080), (14770, 58132), (29066, 29540)]