1214860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 2822400

約数和(自身を除く): 1607540

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 139, 190, 230, 278, 380, 437, 460, 556, 695, 874, 1390, 1748, 2185, 2641, 2780, 3197, 4370, 5282, 6394, 8740, 10564, 12788, 13205, 15985, 26410, 31970, 52820, 60743, 63940, 121486, 242972, 303715, 607430, 1214860]

約数ペア:

[(1, 1214860), (2, 607430), (4, 303715), (5, 242972), (10, 121486), (19, 63940), (20, 60743), (23, 52820), (38, 31970), (46, 26410), (76, 15985), (92, 13205), (95, 12788), (115, 10564), (139, 8740), (190, 6394), (230, 5282), (278, 4370), (380, 3197), (437, 2780), (460, 2641), (556, 2185), (695, 1748), (874, 1390)]