28998340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4817}}^1$

素因数の和:4876

約数の個数: 48

約数和(自身を含む): 71229312

約数和(自身を除く): 42230972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 4817, 6020, 9634, 19268, 24085, 33719, 48170, 67438, 96340, 134876, 168595, 207131, 337190, 414262, 674380, 828524, 1035655, 1449917, 2071310, 2899834, 4142620, 5799668, 7249585, 14499170, 28998340]

約数ペア:

[(1, 28998340), (2, 14499170), (4, 7249585), (5, 5799668), (7, 4142620), (10, 2899834), (14, 2071310), (20, 1449917), (28, 1035655), (35, 828524), (43, 674380), (70, 414262), (86, 337190), (140, 207131), (172, 168595), (215, 134876), (301, 96340), (430, 67438), (602, 48170), (860, 33719), (1204, 24085), (1505, 19268), (3010, 9634), (4817, 6020)]