90671800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 224985600

約数和(自身を除く): 134313800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 107, 152, 190, 200, 214, 223, 380, 428, 446, 475, 535, 760, 856, 892, 950, 1070, 1115, 1784, 1900, 2033, 2140, 2230, 2675, 3800, 4066, 4237, 4280, 4460, 5350, 5575, 8132, 8474, 8920, 10165, 10700, 11150, 16264, 16948, 20330, 21185, 21400, 22300, 23861, 33896, 40660, 42370, 44600, 47722, 50825, 81320, 84740, 95444, 101650, 105925, 119305, 169480, 190888, 203300, 211850, 238610, 406600, 423700, 453359, 477220, 596525, 847400, 906718, 954440, 1193050, 1813436, 2266795, 2386100, 3626872, 4533590, 4772200, 9067180, 11333975, 18134360, 22667950, 45335900, 90671800]

約数ペア:

[(1, 90671800), (2, 45335900), (4, 22667950), (5, 18134360), (8, 11333975), (10, 9067180), (19, 4772200), (20, 4533590), (25, 3626872), (38, 2386100), (40, 2266795), (50, 1813436), (76, 1193050), (95, 954440), (100, 906718), (107, 847400), (152, 596525), (190, 477220), (200, 453359), (214, 423700), (223, 406600), (380, 238610), (428, 211850), (446, 203300), (475, 190888), (535, 169480), (760, 119305), (856, 105925), (892, 101650), (950, 95444), (1070, 84740), (1115, 81320), (1784, 50825), (1900, 47722), (2033, 44600), (2140, 42370), (2230, 40660), (2675, 33896), (3800, 23861), (4066, 22300), (4237, 21400), (4280, 21185), (4460, 20330), (5350, 16948), (5575, 16264), (8132, 11150), (8474, 10700), (8920, 10165)]