2445402820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{6101}}^1$

素因数の和:6533

約数の個数: 72

約数和(自身を含む): 5989357080

約数和(自身を除く): 3543954260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 409, 490, 818, 980, 1636, 2045, 2863, 4090, 5726, 6101, 8180, 11452, 12202, 14315, 20041, 24404, 28630, 30505, 40082, 42707, 57260, 61010, 80164, 85414, 100205, 122020, 170828, 200410, 213535, 298949, 400820, 427070, 597898, 854140, 1195796, 1494745, 2495309, 2989490, 4990618, 5978980, 9981236, 12476545, 17467163, 24953090, 34934326, 49906180, 69868652, 87335815, 122270141, 174671630, 244540282, 349343260, 489080564, 611350705, 1222701410, 2445402820]

約数ペア:

[(1, 2445402820), (2, 1222701410), (4, 611350705), (5, 489080564), (7, 349343260), (10, 244540282), (14, 174671630), (20, 122270141), (28, 87335815), (35, 69868652), (49, 49906180), (70, 34934326), (98, 24953090), (140, 17467163), (196, 12476545), (245, 9981236), (409, 5978980), (490, 4990618), (818, 2989490), (980, 2495309), (1636, 1494745), (2045, 1195796), (2863, 854140), (4090, 597898), (5726, 427070), (6101, 400820), (8180, 298949), (11452, 213535), (12202, 200410), (14315, 170828), (20041, 122020), (24404, 100205), (28630, 85414), (30505, 80164), (40082, 61010), (42707, 57260)]