87922660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1229}}^1$

素因数の和:1325

約数の個数: 72

約数和(自身を含む): 217901880

約数和(自身を除く): 129979220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 980, 1022, 1229, 1460, 2044, 2458, 2555, 3577, 4916, 5110, 6145, 7154, 8603, 10220, 12290, 14308, 17206, 17885, 24580, 34412, 35770, 43015, 60221, 71540, 86030, 89717, 120442, 172060, 179434, 240884, 301105, 358868, 448585, 602210, 628019, 897170, 1204420, 1256038, 1794340, 2512076, 3140095, 4396133, 6280190, 8792266, 12560380, 17584532, 21980665, 43961330, 87922660]

約数ペア:

[(1, 87922660), (2, 43961330), (4, 21980665), (5, 17584532), (7, 12560380), (10, 8792266), (14, 6280190), (20, 4396133), (28, 3140095), (35, 2512076), (49, 1794340), (70, 1256038), (73, 1204420), (98, 897170), (140, 628019), (146, 602210), (196, 448585), (245, 358868), (292, 301105), (365, 240884), (490, 179434), (511, 172060), (730, 120442), (980, 89717), (1022, 86030), (1229, 71540), (1460, 60221), (2044, 43015), (2458, 35770), (2555, 34412), (3577, 24580), (4916, 17885), (5110, 17206), (6145, 14308), (7154, 12290), (8603, 10220)]