19928100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{367}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 58135168

約数和(自身を除く): 38207068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 181, 300, 362, 367, 543, 724, 734, 905, 1086, 1101, 1468, 1810, 1835, 2172, 2202, 2715, 3620, 3670, 4404, 4525, 5430, 5505, 7340, 9050, 9175, 10860, 11010, 13575, 18100, 18350, 22020, 27150, 27525, 36700, 54300, 55050, 66427, 110100, 132854, 199281, 265708, 332135, 398562, 664270, 797124, 996405, 1328540, 1660675, 1992810, 3321350, 3985620, 4982025, 6642700, 9964050, 19928100]

約数ペア:

[(1, 19928100), (2, 9964050), (3, 6642700), (4, 4982025), (5, 3985620), (6, 3321350), (10, 1992810), (12, 1660675), (15, 1328540), (20, 996405), (25, 797124), (30, 664270), (50, 398562), (60, 332135), (75, 265708), (100, 199281), (150, 132854), (181, 110100), (300, 66427), (362, 55050), (367, 54300), (543, 36700), (724, 27525), (734, 27150), (905, 22020), (1086, 18350), (1101, 18100), (1468, 13575), (1810, 11010), (1835, 10860), (2172, 9175), (2202, 9050), (2715, 7340), (3620, 5505), (3670, 5430), (4404, 4525)]