7958380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 17962560

約数和(自身を除く): 10004180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 263, 340, 356, 445, 526, 890, 1052, 1315, 1513, 1780, 2630, 3026, 4471, 5260, 6052, 7565, 8942, 15130, 17884, 22355, 23407, 30260, 44710, 46814, 89420, 93628, 117035, 234070, 397919, 468140, 795838, 1591676, 1989595, 3979190, 7958380]

約数ペア:

[(1, 7958380), (2, 3979190), (4, 1989595), (5, 1591676), (10, 795838), (17, 468140), (20, 397919), (34, 234070), (68, 117035), (85, 93628), (89, 89420), (170, 46814), (178, 44710), (263, 30260), (340, 23407), (356, 22355), (445, 17884), (526, 15130), (890, 8942), (1052, 7565), (1315, 6052), (1513, 5260), (1780, 4471), (2630, 3026)]