157717900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1543

約数の個数: 72

約数和(自身を含む): 364976640

約数和(自身を除く): 207258740

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 188, 230, 235, 460, 470, 575, 940, 1081, 1150, 1175, 1459, 2162, 2300, 2350, 2918, 4324, 4700, 5405, 5836, 7295, 10810, 14590, 21620, 27025, 29180, 33557, 36475, 54050, 67114, 68573, 72950, 108100, 134228, 137146, 145900, 167785, 274292, 335570, 342865, 671140, 685730, 838925, 1371460, 1577179, 1677850, 1714325, 3154358, 3355700, 3428650, 6308716, 6857300, 7885895, 15771790, 31543580, 39429475, 78858950, 157717900]

約数ペア:

[(1, 157717900), (2, 78858950), (4, 39429475), (5, 31543580), (10, 15771790), (20, 7885895), (23, 6857300), (25, 6308716), (46, 3428650), (47, 3355700), (50, 3154358), (92, 1714325), (94, 1677850), (100, 1577179), (115, 1371460), (188, 838925), (230, 685730), (235, 671140), (460, 342865), (470, 335570), (575, 274292), (940, 167785), (1081, 145900), (1150, 137146), (1175, 134228), (1459, 108100), (2162, 72950), (2300, 68573), (2350, 67114), (2918, 54050), (4324, 36475), (4700, 33557), (5405, 29180), (5836, 27025), (7295, 21620), (10810, 14590)]