88601740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 190159200

約数和(自身を除く): 101557460

約数列:

[1, 2, 4, 5, 10, 20, 97, 109, 194, 218, 388, 419, 436, 485, 545, 838, 970, 1090, 1676, 1940, 2095, 2180, 4190, 8380, 10573, 21146, 40643, 42292, 45671, 52865, 81286, 91342, 105730, 162572, 182684, 203215, 211460, 228355, 406430, 456710, 812860, 913420, 4430087, 8860174, 17720348, 22150435, 44300870, 88601740]

約数ペア:

[(1, 88601740), (2, 44300870), (4, 22150435), (5, 17720348), (10, 8860174), (20, 4430087), (97, 913420), (109, 812860), (194, 456710), (218, 406430), (388, 228355), (419, 211460), (436, 203215), (485, 182684), (545, 162572), (838, 105730), (970, 91342), (1090, 81286), (1676, 52865), (1940, 45671), (2095, 42292), (2180, 40643), (4190, 21146), (8380, 10573)]