79427480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1861}}^1$

素因数の和:1980

約数の個数: 64

約数和(自身を含む): 197074080

約数和(自身を除く): 117646600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 97, 110, 194, 220, 388, 440, 485, 776, 970, 1067, 1861, 1940, 2134, 3722, 3880, 4268, 5335, 7444, 8536, 9305, 10670, 14888, 18610, 20471, 21340, 37220, 40942, 42680, 74440, 81884, 102355, 163768, 180517, 204710, 361034, 409420, 722068, 818840, 902585, 1444136, 1805170, 1985687, 3610340, 3971374, 7220680, 7942748, 9928435, 15885496, 19856870, 39713740, 79427480]

約数ペア:

[(1, 79427480), (2, 39713740), (4, 19856870), (5, 15885496), (8, 9928435), (10, 7942748), (11, 7220680), (20, 3971374), (22, 3610340), (40, 1985687), (44, 1805170), (55, 1444136), (88, 902585), (97, 818840), (110, 722068), (194, 409420), (220, 361034), (388, 204710), (440, 180517), (485, 163768), (776, 102355), (970, 81884), (1067, 74440), (1861, 42680), (1940, 40942), (2134, 37220), (3722, 21340), (3880, 20471), (4268, 18610), (5335, 14888), (7444, 10670), (8536, 9305)]