207723740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1669}}^1$

素因数の和:1819

約数の個数: 72

約数和(自身を含む): 511741440

約数和(自身を除く): 304017700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 140, 196, 245, 254, 490, 508, 635, 889, 980, 1270, 1669, 1778, 2540, 3338, 3556, 4445, 6223, 6676, 8345, 8890, 11683, 12446, 16690, 17780, 23366, 24892, 31115, 33380, 46732, 58415, 62230, 81781, 116830, 124460, 163562, 211963, 233660, 327124, 408905, 423926, 817810, 847852, 1059815, 1483741, 1635620, 2119630, 2967482, 4239260, 5934964, 7418705, 10386187, 14837410, 20772374, 29674820, 41544748, 51930935, 103861870, 207723740]

約数ペア:

[(1, 207723740), (2, 103861870), (4, 51930935), (5, 41544748), (7, 29674820), (10, 20772374), (14, 14837410), (20, 10386187), (28, 7418705), (35, 5934964), (49, 4239260), (70, 2967482), (98, 2119630), (127, 1635620), (140, 1483741), (196, 1059815), (245, 847852), (254, 817810), (490, 423926), (508, 408905), (635, 327124), (889, 233660), (980, 211963), (1270, 163562), (1669, 124460), (1778, 116830), (2540, 81781), (3338, 62230), (3556, 58415), (4445, 46732), (6223, 33380), (6676, 31115), (8345, 24892), (8890, 23366), (11683, 17780), (12446, 16690)]