1209320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{617}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 3170340

約数和(自身を除く): 1961020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 617, 980, 1234, 1960, 2468, 3085, 4319, 4936, 6170, 8638, 12340, 17276, 21595, 24680, 30233, 34552, 43190, 60466, 86380, 120932, 151165, 172760, 241864, 302330, 604660, 1209320]

約数ペア:

[(1, 1209320), (2, 604660), (4, 302330), (5, 241864), (7, 172760), (8, 151165), (10, 120932), (14, 86380), (20, 60466), (28, 43190), (35, 34552), (40, 30233), (49, 24680), (56, 21595), (70, 17276), (98, 12340), (140, 8638), (196, 6170), (245, 4936), (280, 4319), (392, 3085), (490, 2468), (617, 1960), (980, 1234)]