22719340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 56306880

約数和(自身を除く): 33587540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 239, 245, 388, 478, 485, 490, 679, 956, 970, 980, 1195, 1358, 1673, 1940, 2390, 2716, 3346, 3395, 4753, 4780, 6692, 6790, 8365, 9506, 11711, 13580, 16730, 19012, 23183, 23422, 23765, 33460, 46366, 46844, 47530, 58555, 92732, 95060, 115915, 117110, 162281, 231830, 234220, 324562, 463660, 649124, 811405, 1135967, 1622810, 2271934, 3245620, 4543868, 5679835, 11359670, 22719340]

約数ペア:

[(1, 22719340), (2, 11359670), (4, 5679835), (5, 4543868), (7, 3245620), (10, 2271934), (14, 1622810), (20, 1135967), (28, 811405), (35, 649124), (49, 463660), (70, 324562), (97, 234220), (98, 231830), (140, 162281), (194, 117110), (196, 115915), (239, 95060), (245, 92732), (388, 58555), (478, 47530), (485, 46844), (490, 46366), (679, 33460), (956, 23765), (970, 23422), (980, 23183), (1195, 19012), (1358, 16730), (1673, 13580), (1940, 11711), (2390, 9506), (2716, 8365), (3346, 6790), (3395, 6692), (4753, 4780)]