409117660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{1823}}^1$

素因数の和:2075

約数の個数: 72

約数和(自身を含む): 1004330880

約数和(自身を除く): 595213220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 229, 245, 458, 490, 916, 980, 1145, 1603, 1823, 2290, 3206, 3646, 4580, 6412, 7292, 8015, 9115, 11221, 12761, 16030, 18230, 22442, 25522, 32060, 36460, 44884, 51044, 56105, 63805, 89327, 112210, 127610, 178654, 224420, 255220, 357308, 417467, 446635, 834934, 893270, 1669868, 1786540, 2087335, 2922269, 4174670, 5844538, 8349340, 11689076, 14611345, 20455883, 29222690, 40911766, 58445380, 81823532, 102279415, 204558830, 409117660]

約数ペア:

[(1, 409117660), (2, 204558830), (4, 102279415), (5, 81823532), (7, 58445380), (10, 40911766), (14, 29222690), (20, 20455883), (28, 14611345), (35, 11689076), (49, 8349340), (70, 5844538), (98, 4174670), (140, 2922269), (196, 2087335), (229, 1786540), (245, 1669868), (458, 893270), (490, 834934), (916, 446635), (980, 417467), (1145, 357308), (1603, 255220), (1823, 224420), (2290, 178654), (3206, 127610), (3646, 112210), (4580, 89327), (6412, 63805), (7292, 56105), (8015, 51044), (9115, 44884), (11221, 36460), (12761, 32060), (16030, 25522), (18230, 22442)]