8657863340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{155773}}^1$

素因数の和:156186

約数の個数: 48

約数和(自身を含む): 20831345472

約数和(自身を除く): 12173482132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3970, 5558, 7940, 11116, 13895, 27790, 55580, 155773, 311546, 623092, 778865, 1090411, 1557730, 2180822, 3115460, 4361644, 5452055, 10904110, 21808220, 61841881, 123683762, 247367524, 309209405, 432893167, 618418810, 865786334, 1236837620, 1731572668, 2164465835, 4328931670, 8657863340]

約数ペア:

[(1, 8657863340), (2, 4328931670), (4, 2164465835), (5, 1731572668), (7, 1236837620), (10, 865786334), (14, 618418810), (20, 432893167), (28, 309209405), (35, 247367524), (70, 123683762), (140, 61841881), (397, 21808220), (794, 10904110), (1588, 5452055), (1985, 4361644), (2779, 3115460), (3970, 2180822), (5558, 1557730), (7940, 1090411), (11116, 778865), (13895, 623092), (27790, 311546), (55580, 155773)]