2106990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 5621616

約数和(自身を除く): 3514626

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 571, 615, 738, 1142, 1230, 1713, 1845, 2855, 3426, 3690, 5139, 5710, 8565, 10278, 17130, 23411, 25695, 46822, 51390, 70233, 117055, 140466, 210699, 234110, 351165, 421398, 702330, 1053495, 2106990]

約数ペア:

[(1, 2106990), (2, 1053495), (3, 702330), (5, 421398), (6, 351165), (9, 234110), (10, 210699), (15, 140466), (18, 117055), (30, 70233), (41, 51390), (45, 46822), (82, 25695), (90, 23411), (123, 17130), (205, 10278), (246, 8565), (369, 5710), (410, 5139), (571, 3690), (615, 3426), (738, 2855), (1142, 1845), (1230, 1713)]