321994750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:467

約数の個数: 128

約数和(自身を含む): 770964480

約数和(自身を除く): 448969730

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 43, 50, 55, 70, 77, 86, 110, 125, 154, 175, 215, 250, 275, 301, 350, 385, 389, 430, 473, 550, 602, 770, 778, 875, 946, 1075, 1375, 1505, 1750, 1925, 1945, 2150, 2365, 2723, 2750, 3010, 3311, 3850, 3890, 4279, 4730, 5375, 5446, 6622, 7525, 8558, 9625, 9725, 10750, 11825, 13615, 15050, 16555, 16727, 19250, 19450, 21395, 23650, 27230, 29953, 33110, 33454, 37625, 42790, 48625, 59125, 59906, 68075, 75250, 82775, 83635, 97250, 106975, 117089, 118250, 136150, 149765, 165550, 167270, 183997, 213950, 234178, 299530, 340375, 367994, 413875, 418175, 534875, 585445, 680750, 748825, 827750, 836350, 919985, 1069750, 1170890, 1287979, 1497650, 1839970, 2090875, 2575958, 2927225, 3744125, 4181750, 4599925, 5854450, 6439895, 7488250, 9199850, 12879790, 14636125, 22999625, 29272250, 32199475, 45999250, 64398950, 160997375, 321994750]

約数ペア:

[(1, 321994750), (2, 160997375), (5, 64398950), (7, 45999250), (10, 32199475), (11, 29272250), (14, 22999625), (22, 14636125), (25, 12879790), (35, 9199850), (43, 7488250), (50, 6439895), (55, 5854450), (70, 4599925), (77, 4181750), (86, 3744125), (110, 2927225), (125, 2575958), (154, 2090875), (175, 1839970), (215, 1497650), (250, 1287979), (275, 1170890), (301, 1069750), (350, 919985), (385, 836350), (389, 827750), (430, 748825), (473, 680750), (550, 585445), (602, 534875), (770, 418175), (778, 413875), (875, 367994), (946, 340375), (1075, 299530), (1375, 234178), (1505, 213950), (1750, 183997), (1925, 167270), (1945, 165550), (2150, 149765), (2365, 136150), (2723, 118250), (2750, 117089), (3010, 106975), (3311, 97250), (3850, 83635), (3890, 82775), (4279, 75250), (4730, 68075), (5375, 59906), (5446, 59125), (6622, 48625), (7525, 42790), (8558, 37625), (9625, 33454), (9725, 33110), (10750, 29953), (11825, 27230), (13615, 23650), (15050, 21395), (16555, 19450), (16727, 19250)]