2213540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 5400192

約数和(自身を除く): 3186652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 163, 194, 326, 388, 485, 652, 679, 815, 970, 1141, 1358, 1630, 1940, 2282, 2716, 3260, 3395, 4564, 5705, 6790, 11410, 13580, 15811, 22820, 31622, 63244, 79055, 110677, 158110, 221354, 316220, 442708, 553385, 1106770, 2213540]

約数ペア:

[(1, 2213540), (2, 1106770), (4, 553385), (5, 442708), (7, 316220), (10, 221354), (14, 158110), (20, 110677), (28, 79055), (35, 63244), (70, 31622), (97, 22820), (140, 15811), (163, 13580), (194, 11410), (326, 6790), (388, 5705), (485, 4564), (652, 3395), (679, 3260), (815, 2716), (970, 2282), (1141, 1940), (1358, 1630)]