90638680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 228579120

約数和(自身を除く): 137940440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 121, 122, 220, 242, 244, 305, 307, 440, 484, 488, 605, 610, 614, 671, 968, 1210, 1220, 1228, 1342, 1535, 2420, 2440, 2456, 2684, 3070, 3355, 3377, 4840, 5368, 6140, 6710, 6754, 7381, 12280, 13420, 13508, 14762, 16885, 18727, 26840, 27016, 29524, 33770, 36905, 37147, 37454, 59048, 67540, 73810, 74294, 74908, 93635, 135080, 147620, 148588, 149816, 185735, 187270, 205997, 295240, 297176, 371470, 374540, 411994, 742940, 749080, 823988, 1029985, 1485880, 1647976, 2059970, 2265967, 4119940, 4531934, 8239880, 9063868, 11329835, 18127736, 22659670, 45319340, 90638680]

約数ペア:

[(1, 90638680), (2, 45319340), (4, 22659670), (5, 18127736), (8, 11329835), (10, 9063868), (11, 8239880), (20, 4531934), (22, 4119940), (40, 2265967), (44, 2059970), (55, 1647976), (61, 1485880), (88, 1029985), (110, 823988), (121, 749080), (122, 742940), (220, 411994), (242, 374540), (244, 371470), (305, 297176), (307, 295240), (440, 205997), (484, 187270), (488, 185735), (605, 149816), (610, 148588), (614, 147620), (671, 135080), (968, 93635), (1210, 74908), (1220, 74294), (1228, 73810), (1342, 67540), (1535, 59048), (2420, 37454), (2440, 37147), (2456, 36905), (2684, 33770), (3070, 29524), (3355, 27016), (3377, 26840), (4840, 18727), (5368, 16885), (6140, 14762), (6710, 13508), (6754, 13420), (7381, 12280)]