339947580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{809399}}^1$

素因数の和:809418

約数の個数: 48

約数和(自身を含む): 1087833600

約数和(自身を除く): 747886020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 809399, 1618798, 2428197, 3237596, 4046995, 4856394, 5665793, 8093990, 9712788, 11331586, 12140985, 16187980, 16997379, 22663172, 24281970, 28328965, 33994758, 48563940, 56657930, 67989516, 84986895, 113315860, 169973790, 339947580]

約数ペア:

[(1, 339947580), (2, 169973790), (3, 113315860), (4, 84986895), (5, 67989516), (6, 56657930), (7, 48563940), (10, 33994758), (12, 28328965), (14, 24281970), (15, 22663172), (20, 16997379), (21, 16187980), (28, 12140985), (30, 11331586), (35, 9712788), (42, 8093990), (60, 5665793), (70, 4856394), (84, 4046995), (105, 3237596), (140, 2428197), (210, 1618798), (420, 809399)]