28839580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 76995072

約数和(自身を除く): 48155492

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 61, 70, 77, 110, 122, 140, 154, 220, 244, 305, 307, 308, 385, 427, 610, 614, 671, 770, 854, 1220, 1228, 1342, 1535, 1540, 1708, 2135, 2149, 2684, 3070, 3355, 3377, 4270, 4298, 4697, 6140, 6710, 6754, 8540, 8596, 9394, 10745, 13420, 13508, 16885, 18727, 18788, 21490, 23485, 23639, 33770, 37454, 42980, 46970, 47278, 67540, 74908, 93635, 93940, 94556, 118195, 131089, 187270, 205997, 236390, 262178, 374540, 411994, 472780, 524356, 655445, 823988, 1029985, 1310890, 1441979, 2059970, 2621780, 2883958, 4119940, 5767916, 7209895, 14419790, 28839580]

約数ペア:

[(1, 28839580), (2, 14419790), (4, 7209895), (5, 5767916), (7, 4119940), (10, 2883958), (11, 2621780), (14, 2059970), (20, 1441979), (22, 1310890), (28, 1029985), (35, 823988), (44, 655445), (55, 524356), (61, 472780), (70, 411994), (77, 374540), (110, 262178), (122, 236390), (140, 205997), (154, 187270), (220, 131089), (244, 118195), (305, 94556), (307, 93940), (308, 93635), (385, 74908), (427, 67540), (610, 47278), (614, 46970), (671, 42980), (770, 37454), (854, 33770), (1220, 23639), (1228, 23485), (1342, 21490), (1535, 18788), (1540, 18727), (1708, 16885), (2135, 13508), (2149, 13420), (2684, 10745), (3070, 9394), (3355, 8596), (3377, 8540), (4270, 6754), (4298, 6710), (4697, 6140)]