20172150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1949}}^1$

素因数の和:1990

約数の個数: 72

約数和(自身を含む): 56581200

約数和(自身を除く): 36409050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 90, 115, 138, 150, 207, 225, 230, 345, 414, 450, 575, 690, 1035, 1150, 1725, 1949, 2070, 3450, 3898, 5175, 5847, 9745, 10350, 11694, 17541, 19490, 29235, 35082, 44827, 48725, 58470, 87705, 89654, 97450, 134481, 146175, 175410, 224135, 268962, 292350, 403443, 438525, 448270, 672405, 806886, 877050, 1120675, 1344810, 2017215, 2241350, 3362025, 4034430, 6724050, 10086075, 20172150]

約数ペア:

[(1, 20172150), (2, 10086075), (3, 6724050), (5, 4034430), (6, 3362025), (9, 2241350), (10, 2017215), (15, 1344810), (18, 1120675), (23, 877050), (25, 806886), (30, 672405), (45, 448270), (46, 438525), (50, 403443), (69, 292350), (75, 268962), (90, 224135), (115, 175410), (138, 146175), (150, 134481), (207, 97450), (225, 89654), (230, 87705), (345, 58470), (414, 48725), (450, 44827), (575, 35082), (690, 29235), (1035, 19490), (1150, 17541), (1725, 11694), (1949, 10350), (2070, 9745), (3450, 5847), (3898, 5175)]