78937460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1951}}^1$

素因数の和:2001

約数の個数: 72

約数和(自身を含む): 201352704

約数和(自身を除く): 122415244

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 1156, 1190, 1445, 1951, 2023, 2380, 2890, 3902, 4046, 5780, 7804, 8092, 9755, 10115, 13657, 19510, 20230, 27314, 33167, 39020, 40460, 54628, 66334, 68285, 132668, 136570, 165835, 232169, 273140, 331670, 464338, 563839, 663340, 928676, 1127678, 1160845, 2255356, 2321690, 2819195, 3946873, 4643380, 5638390, 7893746, 11276780, 15787492, 19734365, 39468730, 78937460]

約数ペア:

[(1, 78937460), (2, 39468730), (4, 19734365), (5, 15787492), (7, 11276780), (10, 7893746), (14, 5638390), (17, 4643380), (20, 3946873), (28, 2819195), (34, 2321690), (35, 2255356), (68, 1160845), (70, 1127678), (85, 928676), (119, 663340), (140, 563839), (170, 464338), (238, 331670), (289, 273140), (340, 232169), (476, 165835), (578, 136570), (595, 132668), (1156, 68285), (1190, 66334), (1445, 54628), (1951, 40460), (2023, 39020), (2380, 33167), (2890, 27314), (3902, 20230), (4046, 19510), (5780, 13657), (7804, 10115), (8092, 9755)]