49903780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 109368000

約数和(自身を除く): 59464220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 619, 695, 1238, 1390, 2476, 2780, 3095, 4031, 6190, 8062, 12380, 16124, 17951, 20155, 35902, 40310, 71804, 80620, 86041, 89755, 172082, 179510, 344164, 359020, 430205, 860410, 1720820, 2495189, 4990378, 9980756, 12475945, 24951890, 49903780]

約数ペア:

[(1, 49903780), (2, 24951890), (4, 12475945), (5, 9980756), (10, 4990378), (20, 2495189), (29, 1720820), (58, 860410), (116, 430205), (139, 359020), (145, 344164), (278, 179510), (290, 172082), (556, 89755), (580, 86041), (619, 80620), (695, 71804), (1238, 40310), (1390, 35902), (2476, 20155), (2780, 17951), (3095, 16124), (4031, 12380), (6190, 8062)]