840354620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1787}}^1\times {\mathrm{3359}}^1$

素因数の和:5162

約数の個数: 48

約数和(自身を含む): 2018580480

約数和(自身を除く): 1178225860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1787, 3359, 3574, 6718, 7148, 8935, 12509, 13436, 16795, 17870, 23513, 25018, 33590, 35740, 47026, 50036, 62545, 67180, 94052, 117565, 125090, 235130, 250180, 470260, 6002533, 12005066, 24010132, 30012665, 42017731, 60025330, 84035462, 120050660, 168070924, 210088655, 420177310, 840354620]

約数ペア:

[(1, 840354620), (2, 420177310), (4, 210088655), (5, 168070924), (7, 120050660), (10, 84035462), (14, 60025330), (20, 42017731), (28, 30012665), (35, 24010132), (70, 12005066), (140, 6002533), (1787, 470260), (3359, 250180), (3574, 235130), (6718, 125090), (7148, 117565), (8935, 94052), (12509, 67180), (13436, 62545), (16795, 50036), (17870, 47026), (23513, 35740), (25018, 33590)]