199559920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{971}}^1$

素因数の和:1358

約数の個数: 80

約数和(自身を含む): 532251648

約数和(自身を除く): 332691728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 367, 560, 734, 971, 1468, 1835, 1942, 2569, 2936, 3670, 3884, 4855, 5138, 5872, 6797, 7340, 7768, 9710, 10276, 12845, 13594, 14680, 15536, 19420, 20552, 25690, 27188, 29360, 33985, 38840, 41104, 51380, 54376, 67970, 77680, 102760, 108752, 135940, 205520, 271880, 356357, 543760, 712714, 1425428, 1781785, 2494499, 2850856, 3563570, 4988998, 5701712, 7127140, 9977996, 12472495, 14254280, 19955992, 24944990, 28508560, 39911984, 49889980, 99779960, 199559920]

約数ペア:

[(1, 199559920), (2, 99779960), (4, 49889980), (5, 39911984), (7, 28508560), (8, 24944990), (10, 19955992), (14, 14254280), (16, 12472495), (20, 9977996), (28, 7127140), (35, 5701712), (40, 4988998), (56, 3563570), (70, 2850856), (80, 2494499), (112, 1781785), (140, 1425428), (280, 712714), (367, 543760), (560, 356357), (734, 271880), (971, 205520), (1468, 135940), (1835, 108752), (1942, 102760), (2569, 77680), (2936, 67970), (3670, 54376), (3884, 51380), (4855, 41104), (5138, 38840), (5872, 33985), (6797, 29360), (7340, 27188), (7768, 25690), (9710, 20552), (10276, 19420), (12845, 15536), (13594, 14680)]