338930680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 844603200

約数和(自身を除く): 505672520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 239, 242, 293, 440, 478, 484, 586, 605, 956, 968, 1172, 1195, 1210, 1465, 1912, 2344, 2390, 2420, 2629, 2930, 3223, 4780, 4840, 5258, 5860, 6446, 9560, 10516, 11720, 12892, 13145, 16115, 21032, 25784, 26290, 28919, 32230, 35453, 52580, 57838, 64460, 70027, 70906, 105160, 115676, 128920, 140054, 141812, 144595, 177265, 231352, 280108, 283624, 289190, 350135, 354530, 560216, 578380, 700270, 709060, 770297, 1156760, 1400540, 1418120, 1540594, 2801080, 3081188, 3851485, 6162376, 7702970, 8473267, 15405940, 16946534, 30811880, 33893068, 42366335, 67786136, 84732670, 169465340, 338930680]

約数ペア:

[(1, 338930680), (2, 169465340), (4, 84732670), (5, 67786136), (8, 42366335), (10, 33893068), (11, 30811880), (20, 16946534), (22, 15405940), (40, 8473267), (44, 7702970), (55, 6162376), (88, 3851485), (110, 3081188), (121, 2801080), (220, 1540594), (239, 1418120), (242, 1400540), (293, 1156760), (440, 770297), (478, 709060), (484, 700270), (586, 578380), (605, 560216), (956, 354530), (968, 350135), (1172, 289190), (1195, 283624), (1210, 280108), (1465, 231352), (1912, 177265), (2344, 144595), (2390, 141812), (2420, 140054), (2629, 128920), (2930, 115676), (3223, 105160), (4780, 70906), (4840, 70027), (5258, 64460), (5860, 57838), (6446, 52580), (9560, 35453), (10516, 32230), (11720, 28919), (12892, 26290), (13145, 25784), (16115, 21032)]