904280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 64

約数和(自身を含む): 2298240

約数和(自身を除く): 1393960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 47, 52, 65, 74, 94, 104, 130, 148, 185, 188, 235, 260, 296, 370, 376, 470, 481, 520, 611, 740, 940, 962, 1222, 1480, 1739, 1880, 1924, 2405, 2444, 3055, 3478, 3848, 4810, 4888, 6110, 6956, 8695, 9620, 12220, 13912, 17390, 19240, 22607, 24440, 34780, 45214, 69560, 90428, 113035, 180856, 226070, 452140, 904280]

約数ペア:

[(1, 904280), (2, 452140), (4, 226070), (5, 180856), (8, 113035), (10, 90428), (13, 69560), (20, 45214), (26, 34780), (37, 24440), (40, 22607), (47, 19240), (52, 17390), (65, 13912), (74, 12220), (94, 9620), (104, 8695), (130, 6956), (148, 6110), (185, 4888), (188, 4810), (235, 3848), (260, 3478), (296, 3055), (370, 2444), (376, 2405), (470, 1924), (481, 1880), (520, 1739), (611, 1480), (740, 1222), (940, 962)]