726248900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6277}}^1$

素因数の和:6393

約数の個数: 72

約数和(自身を含む): 1716530760

約数和(自身を除く): 990281860

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 130, 178, 260, 325, 356, 445, 650, 890, 1157, 1300, 1780, 2225, 2314, 4450, 4628, 5785, 6277, 8900, 11570, 12554, 23140, 25108, 28925, 31385, 57850, 62770, 81601, 115700, 125540, 156925, 163202, 313850, 326404, 408005, 558653, 627700, 816010, 1117306, 1632020, 2040025, 2234612, 2793265, 4080050, 5586530, 7262489, 8160100, 11173060, 13966325, 14524978, 27932650, 29049956, 36312445, 55865300, 72624890, 145249780, 181562225, 363124450, 726248900]

約数ペア:

[(1, 726248900), (2, 363124450), (4, 181562225), (5, 145249780), (10, 72624890), (13, 55865300), (20, 36312445), (25, 29049956), (26, 27932650), (50, 14524978), (52, 13966325), (65, 11173060), (89, 8160100), (100, 7262489), (130, 5586530), (178, 4080050), (260, 2793265), (325, 2234612), (356, 2040025), (445, 1632020), (650, 1117306), (890, 816010), (1157, 627700), (1300, 558653), (1780, 408005), (2225, 326404), (2314, 313850), (4450, 163202), (4628, 156925), (5785, 125540), (6277, 115700), (8900, 81601), (11570, 62770), (12554, 57850), (23140, 31385), (25108, 28925)]