90379820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1103}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 201979008

約数和(自身を除く): 111599188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 241, 340, 482, 964, 1103, 1205, 2206, 2410, 4097, 4412, 4820, 5515, 8194, 11030, 16388, 18751, 20485, 22060, 37502, 40970, 75004, 81940, 93755, 187510, 265823, 375020, 531646, 1063292, 1329115, 2658230, 4518991, 5316460, 9037982, 18075964, 22594955, 45189910, 90379820]

約数ペア:

[(1, 90379820), (2, 45189910), (4, 22594955), (5, 18075964), (10, 9037982), (17, 5316460), (20, 4518991), (34, 2658230), (68, 1329115), (85, 1063292), (170, 531646), (241, 375020), (340, 265823), (482, 187510), (964, 93755), (1103, 81940), (1205, 75004), (2206, 40970), (2410, 37502), (4097, 22060), (4412, 20485), (4820, 18751), (5515, 16388), (8194, 11030)]