1627220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 3991680

約数和(自身を除く): 2364460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 197, 236, 295, 394, 413, 590, 788, 826, 985, 1180, 1379, 1652, 1970, 2065, 2758, 3940, 4130, 5516, 6895, 8260, 11623, 13790, 23246, 27580, 46492, 58115, 81361, 116230, 162722, 232460, 325444, 406805, 813610, 1627220]

約数ペア:

[(1, 1627220), (2, 813610), (4, 406805), (5, 325444), (7, 232460), (10, 162722), (14, 116230), (20, 81361), (28, 58115), (35, 46492), (59, 27580), (70, 23246), (118, 13790), (140, 11623), (197, 8260), (236, 6895), (295, 5516), (394, 4130), (413, 3940), (590, 2758), (788, 2065), (826, 1970), (985, 1652), (1180, 1379)]