28958150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 72

約数和(自身を含む): 61268400

約数和(自身を除く): 32310250

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 149, 169, 230, 298, 299, 325, 338, 575, 598, 650, 745, 845, 1150, 1490, 1495, 1690, 1937, 2990, 3427, 3725, 3874, 3887, 4225, 6854, 7450, 7475, 7774, 8450, 9685, 14950, 17135, 19370, 19435, 25181, 34270, 38870, 44551, 48425, 50362, 85675, 89102, 96850, 97175, 125905, 171350, 194350, 222755, 251810, 445510, 579163, 629525, 1113775, 1158326, 1259050, 2227550, 2895815, 5791630, 14479075, 28958150]

約数ペア:

[(1, 28958150), (2, 14479075), (5, 5791630), (10, 2895815), (13, 2227550), (23, 1259050), (25, 1158326), (26, 1113775), (46, 629525), (50, 579163), (65, 445510), (115, 251810), (130, 222755), (149, 194350), (169, 171350), (230, 125905), (298, 97175), (299, 96850), (325, 89102), (338, 85675), (575, 50362), (598, 48425), (650, 44551), (745, 38870), (845, 34270), (1150, 25181), (1490, 19435), (1495, 19370), (1690, 17135), (1937, 14950), (2990, 9685), (3427, 8450), (3725, 7774), (3874, 7475), (3887, 7450), (4225, 6854)]