57105100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 108

約数和(自身を含む): 139782720

約数和(自身を除く): 82677620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 109, 124, 130, 155, 169, 218, 260, 310, 325, 338, 403, 436, 545, 620, 650, 676, 775, 806, 845, 1090, 1300, 1417, 1550, 1612, 1690, 2015, 2180, 2725, 2834, 3100, 3379, 3380, 4030, 4225, 5239, 5450, 5668, 6758, 7085, 8060, 8450, 10075, 10478, 10900, 13516, 14170, 16895, 16900, 18421, 20150, 20956, 26195, 28340, 33790, 35425, 36842, 40300, 43927, 52390, 67580, 70850, 73684, 84475, 87854, 92105, 104780, 130975, 141700, 168950, 175708, 184210, 219635, 261950, 337900, 368420, 439270, 460525, 523900, 571051, 878540, 921050, 1098175, 1142102, 1842100, 2196350, 2284204, 2855255, 4392700, 5710510, 11421020, 14276275, 28552550, 57105100]

約数ペア:

[(1, 57105100), (2, 28552550), (4, 14276275), (5, 11421020), (10, 5710510), (13, 4392700), (20, 2855255), (25, 2284204), (26, 2196350), (31, 1842100), (50, 1142102), (52, 1098175), (62, 921050), (65, 878540), (100, 571051), (109, 523900), (124, 460525), (130, 439270), (155, 368420), (169, 337900), (218, 261950), (260, 219635), (310, 184210), (325, 175708), (338, 168950), (403, 141700), (436, 130975), (545, 104780), (620, 92105), (650, 87854), (676, 84475), (775, 73684), (806, 70850), (845, 67580), (1090, 52390), (1300, 43927), (1417, 40300), (1550, 36842), (1612, 35425), (1690, 33790), (2015, 28340), (2180, 26195), (2725, 20956), (2834, 20150), (3100, 18421), (3379, 16900), (3380, 16895), (4030, 14170), (4225, 13516), (5239, 10900), (5450, 10478), (5668, 10075), (6758, 8450), (7085, 8060)]