339955140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{115631}}^1$

素因数の和:115657

約数の個数: 72

約数和(自身を含む): 1107292032

約数和(自身を除く): 767336892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 115631, 231262, 346893, 462524, 578155, 693786, 809417, 1156310, 1387572, 1618834, 1734465, 2312620, 2428251, 3237668, 3468930, 4047085, 4856502, 5665919, 6937860, 8094170, 9713004, 11331838, 12141255, 16188340, 16997757, 22663676, 24282510, 28329595, 33995514, 48565020, 56659190, 67991028, 84988785, 113318380, 169977570, 339955140]

約数ペア:

[(1, 339955140), (2, 169977570), (3, 113318380), (4, 84988785), (5, 67991028), (6, 56659190), (7, 48565020), (10, 33995514), (12, 28329595), (14, 24282510), (15, 22663676), (20, 16997757), (21, 16188340), (28, 12141255), (30, 11331838), (35, 9713004), (42, 8094170), (49, 6937860), (60, 5665919), (70, 4856502), (84, 4047085), (98, 3468930), (105, 3237668), (140, 2428251), (147, 2312620), (196, 1734465), (210, 1618834), (245, 1387572), (294, 1156310), (420, 809417), (490, 693786), (588, 578155), (735, 462524), (980, 346893), (1470, 231262), (2940, 115631)]