291303460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{2087}}^1$

素因数の和:3100

約数の個数: 48

約数和(自身を含む): 700164864

約数和(自身を除く): 408861404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 997, 1994, 2087, 3988, 4174, 4985, 6979, 8348, 9970, 10435, 13958, 14609, 19940, 20870, 27916, 29218, 34895, 41740, 58436, 69790, 73045, 139580, 146090, 292180, 2080739, 4161478, 8322956, 10403695, 14565173, 20807390, 29130346, 41614780, 58260692, 72825865, 145651730, 291303460]

約数ペア:

[(1, 291303460), (2, 145651730), (4, 72825865), (5, 58260692), (7, 41614780), (10, 29130346), (14, 20807390), (20, 14565173), (28, 10403695), (35, 8322956), (70, 4161478), (140, 2080739), (997, 292180), (1994, 146090), (2087, 139580), (3988, 73045), (4174, 69790), (4985, 58436), (6979, 41740), (8348, 34895), (9970, 29218), (10435, 27916), (13958, 20870), (14609, 19940)]