13782500

素因数分解:

$2^2\times 5^4\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 60

約数和(自身を含む): 31161900

約数和(自身を除く): 17379400

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 148, 149, 185, 250, 298, 370, 500, 596, 625, 740, 745, 925, 1250, 1490, 1850, 2500, 2980, 3700, 3725, 4625, 5513, 7450, 9250, 11026, 14900, 18500, 18625, 22052, 23125, 27565, 37250, 46250, 55130, 74500, 92500, 93125, 110260, 137825, 186250, 275650, 372500, 551300, 689125, 1378250, 2756500, 3445625, 6891250, 13782500]

約数ペア:

[(1, 13782500), (2, 6891250), (4, 3445625), (5, 2756500), (10, 1378250), (20, 689125), (25, 551300), (37, 372500), (50, 275650), (74, 186250), (100, 137825), (125, 110260), (148, 93125), (149, 92500), (185, 74500), (250, 55130), (298, 46250), (370, 37250), (500, 27565), (596, 23125), (625, 22052), (740, 18625), (745, 18500), (925, 14900), (1250, 11026), (1490, 9250), (1850, 7450), (2500, 5513), (2980, 4625), (3700, 3725)]