348687620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{2129}}^1$

素因数の和:2588

約数の個数: 48

約数和(自身を含む): 772934400

約数和(自身を除く): 424246780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 431, 862, 1724, 2129, 2155, 4258, 4310, 8189, 8516, 8620, 10645, 16378, 21290, 32756, 40451, 40945, 42580, 80902, 81890, 161804, 163780, 202255, 404510, 809020, 917599, 1835198, 3670396, 4587995, 9175990, 17434381, 18351980, 34868762, 69737524, 87171905, 174343810, 348687620]

約数ペア:

[(1, 348687620), (2, 174343810), (4, 87171905), (5, 69737524), (10, 34868762), (19, 18351980), (20, 17434381), (38, 9175990), (76, 4587995), (95, 3670396), (190, 1835198), (380, 917599), (431, 809020), (862, 404510), (1724, 202255), (2129, 163780), (2155, 161804), (4258, 81890), (4310, 80902), (8189, 42580), (8516, 40945), (8620, 40451), (10645, 32756), (16378, 21290)]