31231700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 72828672

約数和(自身を除く): 41596972

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 37, 46, 50, 74, 92, 100, 115, 148, 185, 230, 367, 370, 460, 575, 734, 740, 851, 925, 1150, 1468, 1702, 1835, 1850, 2300, 3404, 3670, 3700, 4255, 7340, 8441, 8510, 9175, 13579, 16882, 17020, 18350, 21275, 27158, 33764, 36700, 42205, 42550, 54316, 67895, 84410, 85100, 135790, 168820, 211025, 271580, 312317, 339475, 422050, 624634, 678950, 844100, 1249268, 1357900, 1561585, 3123170, 6246340, 7807925, 15615850, 31231700]

約数ペア:

[(1, 31231700), (2, 15615850), (4, 7807925), (5, 6246340), (10, 3123170), (20, 1561585), (23, 1357900), (25, 1249268), (37, 844100), (46, 678950), (50, 624634), (74, 422050), (92, 339475), (100, 312317), (115, 271580), (148, 211025), (185, 168820), (230, 135790), (367, 85100), (370, 84410), (460, 67895), (575, 54316), (734, 42550), (740, 42205), (851, 36700), (925, 33764), (1150, 27158), (1468, 21275), (1702, 18350), (1835, 17020), (1850, 16882), (2300, 13579), (3404, 9175), (3670, 8510), (3700, 8441), (4255, 7340)]