19850500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:122

約数の個数: 72

約数和(自身を含む): 46093320

約数和(自身を除く): 26242820

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 37, 50, 58, 74, 100, 116, 125, 145, 148, 185, 250, 290, 370, 500, 580, 725, 740, 925, 1073, 1369, 1450, 1850, 2146, 2738, 2900, 3625, 3700, 4292, 4625, 5365, 5476, 6845, 7250, 9250, 10730, 13690, 14500, 18500, 21460, 26825, 27380, 34225, 39701, 53650, 68450, 79402, 107300, 134125, 136900, 158804, 171125, 198505, 268250, 342250, 397010, 536500, 684500, 794020, 992525, 1985050, 3970100, 4962625, 9925250, 19850500]

約数ペア:

[(1, 19850500), (2, 9925250), (4, 4962625), (5, 3970100), (10, 1985050), (20, 992525), (25, 794020), (29, 684500), (37, 536500), (50, 397010), (58, 342250), (74, 268250), (100, 198505), (116, 171125), (125, 158804), (145, 136900), (148, 134125), (185, 107300), (250, 79402), (290, 68450), (370, 53650), (500, 39701), (580, 34225), (725, 27380), (740, 26825), (925, 21460), (1073, 18500), (1369, 14500), (1450, 13690), (1850, 10730), (2146, 9250), (2738, 7250), (2900, 6845), (3625, 5476), (3700, 5365), (4292, 4625)]