818380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 1905120

約数和(自身を除く): 1086740

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 83, 85, 116, 145, 166, 170, 290, 332, 340, 415, 493, 580, 830, 986, 1411, 1660, 1972, 2407, 2465, 2822, 4814, 4930, 5644, 7055, 9628, 9860, 12035, 14110, 24070, 28220, 40919, 48140, 81838, 163676, 204595, 409190, 818380]

約数ペア:

[(1, 818380), (2, 409190), (4, 204595), (5, 163676), (10, 81838), (17, 48140), (20, 40919), (29, 28220), (34, 24070), (58, 14110), (68, 12035), (83, 9860), (85, 9628), (116, 7055), (145, 5644), (166, 4930), (170, 4814), (290, 2822), (332, 2465), (340, 2407), (415, 1972), (493, 1660), (580, 1411), (830, 986)]