128343740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:436

約数の個数: 96

約数和(自身を含む): 321148800

約数和(自身を除く): 192805060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 343, 353, 371, 490, 530, 686, 706, 742, 980, 1060, 1372, 1412, 1484, 1715, 1765, 1855, 2471, 2597, 3430, 3530, 3710, 4942, 5194, 6860, 7060, 7420, 9884, 10388, 12355, 12985, 17297, 18179, 18709, 24710, 25970, 34594, 36358, 37418, 49420, 51940, 69188, 72716, 74836, 86485, 90895, 93545, 121079, 130963, 172970, 181790, 187090, 242158, 261926, 345940, 363580, 374180, 484316, 523852, 605395, 654815, 916741, 1210790, 1309630, 1833482, 2421580, 2619260, 3666964, 4583705, 6417187, 9167410, 12834374, 18334820, 25668748, 32085935, 64171870, 128343740]

約数ペア:

[(1, 128343740), (2, 64171870), (4, 32085935), (5, 25668748), (7, 18334820), (10, 12834374), (14, 9167410), (20, 6417187), (28, 4583705), (35, 3666964), (49, 2619260), (53, 2421580), (70, 1833482), (98, 1309630), (106, 1210790), (140, 916741), (196, 654815), (212, 605395), (245, 523852), (265, 484316), (343, 374180), (353, 363580), (371, 345940), (490, 261926), (530, 242158), (686, 187090), (706, 181790), (742, 172970), (980, 130963), (1060, 121079), (1372, 93545), (1412, 90895), (1484, 86485), (1715, 74836), (1765, 72716), (1855, 69188), (2471, 51940), (2597, 49420), (3430, 37418), (3530, 36358), (3710, 34594), (4942, 25970), (5194, 24710), (6860, 18709), (7060, 18179), (7420, 17297), (9884, 12985), (10388, 12355)]