399651220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{6841}}^1$

素因数の和:7000

約数の個数: 48

約数和(自身を含む): 882782208

約数和(自身を除く): 483130988

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 230, 254, 460, 508, 635, 1270, 2540, 2921, 5842, 6841, 11684, 13682, 14605, 27364, 29210, 34205, 58420, 68410, 136820, 157343, 314686, 629372, 786715, 868807, 1573430, 1737614, 3146860, 3475228, 4344035, 8688070, 17376140, 19982561, 39965122, 79930244, 99912805, 199825610, 399651220]

約数ペア:

[(1, 399651220), (2, 199825610), (4, 99912805), (5, 79930244), (10, 39965122), (20, 19982561), (23, 17376140), (46, 8688070), (92, 4344035), (115, 3475228), (127, 3146860), (230, 1737614), (254, 1573430), (460, 868807), (508, 786715), (635, 629372), (1270, 314686), (2540, 157343), (2921, 136820), (5842, 68410), (6841, 58420), (11684, 34205), (13682, 29210), (14605, 27364)]