129311060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2579}}^1$

素因数の和:2720

約数の個数: 48

約数和(自身を含む): 286070400

約数和(自身を除く): 156759340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 436, 460, 545, 1090, 2180, 2507, 2579, 5014, 5158, 10028, 10316, 12535, 12895, 25070, 25790, 50140, 51580, 59317, 118634, 237268, 281111, 296585, 562222, 593170, 1124444, 1186340, 1405555, 2811110, 5622220, 6465553, 12931106, 25862212, 32327765, 64655530, 129311060]

約数ペア:

[(1, 129311060), (2, 64655530), (4, 32327765), (5, 25862212), (10, 12931106), (20, 6465553), (23, 5622220), (46, 2811110), (92, 1405555), (109, 1186340), (115, 1124444), (218, 593170), (230, 562222), (436, 296585), (460, 281111), (545, 237268), (1090, 118634), (2180, 59317), (2507, 51580), (2579, 50140), (5014, 25790), (5158, 25070), (10028, 12895), (10316, 12535)]