200907928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 421344000

約数和(自身を除く): 220436072

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 109, 148, 218, 296, 436, 479, 481, 872, 958, 962, 1417, 1916, 1924, 2834, 3832, 3848, 4033, 5668, 6227, 8066, 11336, 12454, 16132, 17723, 24908, 32264, 35446, 49816, 52211, 52429, 70892, 104422, 104858, 141784, 208844, 209716, 230399, 417688, 419432, 460798, 678743, 921596, 1357486, 1843192, 1931807, 2714972, 3863614, 5429944, 7727228, 15454456, 25113491, 50226982, 100453964, 200907928]

約数ペア:

[(1, 200907928), (2, 100453964), (4, 50226982), (8, 25113491), (13, 15454456), (26, 7727228), (37, 5429944), (52, 3863614), (74, 2714972), (104, 1931807), (109, 1843192), (148, 1357486), (218, 921596), (296, 678743), (436, 460798), (479, 419432), (481, 417688), (872, 230399), (958, 209716), (962, 208844), (1417, 141784), (1916, 104858), (1924, 104422), (2834, 70892), (3832, 52429), (3848, 52211), (4033, 49816), (5668, 35446), (6227, 32264), (8066, 24908), (11336, 17723), (12454, 16132)]