389733140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1\times {\mathrm{613}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 831817728

約数和(自身を除く): 442084588

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 383, 415, 613, 766, 830, 1226, 1532, 1660, 1915, 2452, 3065, 3830, 6130, 7660, 12260, 31789, 50879, 63578, 101758, 127156, 158945, 203516, 234779, 254395, 317890, 469558, 508790, 635780, 939116, 1017580, 1173895, 2347790, 4695580, 19486657, 38973314, 77946628, 97433285, 194866570, 389733140]

約数ペア:

[(1, 389733140), (2, 194866570), (4, 97433285), (5, 77946628), (10, 38973314), (20, 19486657), (83, 4695580), (166, 2347790), (332, 1173895), (383, 1017580), (415, 939116), (613, 635780), (766, 508790), (830, 469558), (1226, 317890), (1532, 254395), (1660, 234779), (1915, 203516), (2452, 158945), (3065, 127156), (3830, 101758), (6130, 63578), (7660, 50879), (12260, 31789)]