16284940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{397}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 39316032

約数和(自身を除く): 23031092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 293, 397, 586, 794, 1172, 1465, 1588, 1985, 2051, 2779, 2930, 3970, 4102, 5558, 5860, 7940, 8204, 10255, 11116, 13895, 20510, 27790, 41020, 55580, 116321, 232642, 465284, 581605, 814247, 1163210, 1628494, 2326420, 3256988, 4071235, 8142470, 16284940]

約数ペア:

[(1, 16284940), (2, 8142470), (4, 4071235), (5, 3256988), (7, 2326420), (10, 1628494), (14, 1163210), (20, 814247), (28, 581605), (35, 465284), (70, 232642), (140, 116321), (293, 55580), (397, 41020), (586, 27790), (794, 20510), (1172, 13895), (1465, 11116), (1588, 10255), (1985, 8204), (2051, 7940), (2779, 5860), (2930, 5558), (3970, 4102)]