1581250

素因数分解:

$2^1\times 5^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:61

約数の個数: 48

約数和(自身を含む): 3374784

約数和(自身を除く): 1793534

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 125, 230, 250, 253, 275, 506, 550, 575, 625, 1150, 1250, 1265, 1375, 2530, 2750, 2875, 3125, 5750, 6250, 6325, 6875, 12650, 13750, 14375, 28750, 31625, 34375, 63250, 68750, 71875, 143750, 158125, 316250, 790625, 1581250]

約数ペア:

[(1, 1581250), (2, 790625), (5, 316250), (10, 158125), (11, 143750), (22, 71875), (23, 68750), (25, 63250), (46, 34375), (50, 31625), (55, 28750), (110, 14375), (115, 13750), (125, 12650), (230, 6875), (250, 6325), (253, 6250), (275, 5750), (506, 3125), (550, 2875), (575, 2750), (625, 2530), (1150, 1375), (1250, 1265)]