253669460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{28123}}^1$

素因数の和:28184

約数の個数: 48

約数和(自身を含む): 595328832

約数和(自身を除く): 341659372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 28123, 56246, 112492, 140615, 281230, 309353, 562460, 618706, 1153043, 1237412, 1546765, 2306086, 3093530, 4612172, 5765215, 6187060, 11530430, 12683473, 23060860, 25366946, 50733892, 63417365, 126834730, 253669460]

約数ペア:

[(1, 253669460), (2, 126834730), (4, 63417365), (5, 50733892), (10, 25366946), (11, 23060860), (20, 12683473), (22, 11530430), (41, 6187060), (44, 5765215), (55, 4612172), (82, 3093530), (110, 2306086), (164, 1546765), (205, 1237412), (220, 1153043), (410, 618706), (451, 562460), (820, 309353), (902, 281230), (1804, 140615), (2255, 112492), (4510, 56246), (9020, 28123)]