61138420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1907}}^1$

素因数の和:2152

約数の個数: 48

約数和(自身を含む): 147450240

約数和(自身を除く): 86311820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 1145, 1603, 1907, 2290, 3206, 3814, 4580, 6412, 7628, 8015, 9535, 13349, 16030, 19070, 26698, 32060, 38140, 53396, 66745, 133490, 266980, 436703, 873406, 1746812, 2183515, 3056921, 4367030, 6113842, 8734060, 12227684, 15284605, 30569210, 61138420]

約数ペア:

[(1, 61138420), (2, 30569210), (4, 15284605), (5, 12227684), (7, 8734060), (10, 6113842), (14, 4367030), (20, 3056921), (28, 2183515), (35, 1746812), (70, 873406), (140, 436703), (229, 266980), (458, 133490), (916, 66745), (1145, 53396), (1603, 38140), (1907, 32060), (2290, 26698), (3206, 19070), (3814, 16030), (4580, 13349), (6412, 9535), (7628, 8015)]