27980650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{839}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 56246400

約数和(自身を除く): 28265750

約数列:

[1, 2, 5, 10, 23, 25, 29, 46, 50, 58, 115, 145, 230, 290, 575, 667, 725, 839, 1150, 1334, 1450, 1678, 3335, 4195, 6670, 8390, 16675, 19297, 20975, 24331, 33350, 38594, 41950, 48662, 96485, 121655, 192970, 243310, 482425, 559613, 608275, 964850, 1119226, 1216550, 2798065, 5596130, 13990325, 27980650]

約数ペア:

[(1, 27980650), (2, 13990325), (5, 5596130), (10, 2798065), (23, 1216550), (25, 1119226), (29, 964850), (46, 608275), (50, 559613), (58, 482425), (115, 243310), (145, 192970), (230, 121655), (290, 96485), (575, 48662), (667, 41950), (725, 38594), (839, 33350), (1150, 24331), (1334, 20975), (1450, 19297), (1678, 16675), (3335, 8390), (4195, 6670)]