207894820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18797}}^1$

素因数の和:18892

約数の個数: 48

約数和(自身を含む): 505290240

約数和(自身を除く): 297395420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 18797, 37594, 75188, 93985, 131579, 187970, 263158, 375940, 526316, 657895, 1315790, 1484963, 2631580, 2969926, 5939852, 7424815, 10394741, 14849630, 20789482, 29699260, 41578964, 51973705, 103947410, 207894820]

約数ペア:

[(1, 207894820), (2, 103947410), (4, 51973705), (5, 41578964), (7, 29699260), (10, 20789482), (14, 14849630), (20, 10394741), (28, 7424815), (35, 5939852), (70, 2969926), (79, 2631580), (140, 1484963), (158, 1315790), (316, 657895), (395, 526316), (553, 375940), (790, 263158), (1106, 187970), (1580, 131579), (2212, 93985), (2765, 75188), (5530, 37594), (11060, 18797)]