28157100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5521}}^1$

素因数の和:5555

約数の個数: 72

約数和(自身を含む): 86275728

約数和(自身を除く): 58118628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 5100, 5521, 11042, 16563, 22084, 27605, 33126, 55210, 66252, 82815, 93857, 110420, 138025, 165630, 187714, 276050, 281571, 331260, 375428, 414075, 469285, 552100, 563142, 828150, 938570, 1126284, 1407855, 1656300, 1877140, 2346425, 2815710, 4692850, 5631420, 7039275, 9385700, 14078550, 28157100]

約数ペア:

[(1, 28157100), (2, 14078550), (3, 9385700), (4, 7039275), (5, 5631420), (6, 4692850), (10, 2815710), (12, 2346425), (15, 1877140), (17, 1656300), (20, 1407855), (25, 1126284), (30, 938570), (34, 828150), (50, 563142), (51, 552100), (60, 469285), (68, 414075), (75, 375428), (85, 331260), (100, 281571), (102, 276050), (150, 187714), (170, 165630), (204, 138025), (255, 110420), (300, 93857), (340, 82815), (425, 66252), (510, 55210), (850, 33126), (1020, 27605), (1275, 22084), (1700, 16563), (2550, 11042), (5100, 5521)]