8995700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 22748544

約数和(自身を除く): 13752844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 181, 284, 350, 355, 362, 497, 700, 710, 724, 905, 994, 1267, 1420, 1775, 1810, 1988, 2485, 2534, 3550, 3620, 4525, 4970, 5068, 6335, 7100, 9050, 9940, 12425, 12670, 12851, 18100, 24850, 25340, 25702, 31675, 49700, 51404, 63350, 64255, 89957, 126700, 128510, 179914, 257020, 321275, 359828, 449785, 642550, 899570, 1285100, 1799140, 2248925, 4497850, 8995700]

約数ペア:

[(1, 8995700), (2, 4497850), (4, 2248925), (5, 1799140), (7, 1285100), (10, 899570), (14, 642550), (20, 449785), (25, 359828), (28, 321275), (35, 257020), (50, 179914), (70, 128510), (71, 126700), (100, 89957), (140, 64255), (142, 63350), (175, 51404), (181, 49700), (284, 31675), (350, 25702), (355, 25340), (362, 24850), (497, 18100), (700, 12851), (710, 12670), (724, 12425), (905, 9940), (994, 9050), (1267, 7100), (1420, 6335), (1775, 5068), (1810, 4970), (1988, 4525), (2485, 3620), (2534, 3550)]