90287450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1181}}^1$

素因数の和:1343

約数の個数: 48

約数和(自身を含む): 184675680

約数和(自身を除く): 94388230

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 139, 275, 278, 550, 695, 1181, 1390, 1529, 2362, 3058, 3475, 5905, 6950, 7645, 11810, 12991, 15290, 25982, 29525, 38225, 59050, 64955, 76450, 129910, 164159, 324775, 328318, 649550, 820795, 1641590, 1805749, 3611498, 4103975, 8207950, 9028745, 18057490, 45143725, 90287450]

約数ペア:

[(1, 90287450), (2, 45143725), (5, 18057490), (10, 9028745), (11, 8207950), (22, 4103975), (25, 3611498), (50, 1805749), (55, 1641590), (110, 820795), (139, 649550), (275, 328318), (278, 324775), (550, 164159), (695, 129910), (1181, 76450), (1390, 64955), (1529, 59050), (2362, 38225), (3058, 29525), (3475, 25982), (5905, 15290), (6950, 12991), (7645, 11810)]