13125140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 32749920

約数和(自身を除く): 19624780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 227, 236, 245, 295, 413, 454, 490, 590, 826, 908, 980, 1135, 1180, 1589, 1652, 2065, 2270, 2891, 3178, 4130, 4540, 5782, 6356, 7945, 8260, 11123, 11564, 13393, 14455, 15890, 22246, 26786, 28910, 31780, 44492, 53572, 55615, 57820, 66965, 93751, 111230, 133930, 187502, 222460, 267860, 375004, 468755, 656257, 937510, 1312514, 1875020, 2625028, 3281285, 6562570, 13125140]

約数ペア:

[(1, 13125140), (2, 6562570), (4, 3281285), (5, 2625028), (7, 1875020), (10, 1312514), (14, 937510), (20, 656257), (28, 468755), (35, 375004), (49, 267860), (59, 222460), (70, 187502), (98, 133930), (118, 111230), (140, 93751), (196, 66965), (227, 57820), (236, 55615), (245, 53572), (295, 44492), (413, 31780), (454, 28910), (490, 26786), (590, 22246), (826, 15890), (908, 14455), (980, 13393), (1135, 11564), (1180, 11123), (1589, 8260), (1652, 7945), (2065, 6356), (2270, 5782), (2891, 4540), (3178, 4130)]