801220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 1975680

約数和(自身を除く): 1174460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 97, 118, 140, 194, 236, 295, 388, 413, 485, 590, 679, 826, 970, 1180, 1358, 1652, 1940, 2065, 2716, 3395, 4130, 5723, 6790, 8260, 11446, 13580, 22892, 28615, 40061, 57230, 80122, 114460, 160244, 200305, 400610, 801220]

約数ペア:

[(1, 801220), (2, 400610), (4, 200305), (5, 160244), (7, 114460), (10, 80122), (14, 57230), (20, 40061), (28, 28615), (35, 22892), (59, 13580), (70, 11446), (97, 8260), (118, 6790), (140, 5723), (194, 4130), (236, 3395), (295, 2716), (388, 2065), (413, 1940), (485, 1652), (590, 1358), (679, 1180), (826, 970)]