28905250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 61731072

約数和(自身を除く): 32825822

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 125, 230, 250, 253, 275, 457, 506, 550, 575, 914, 1150, 1265, 1375, 2285, 2530, 2750, 2875, 4570, 5027, 5750, 6325, 10054, 10511, 11425, 12650, 21022, 22850, 25135, 31625, 50270, 52555, 57125, 63250, 105110, 114250, 115621, 125675, 231242, 251350, 262775, 525550, 578105, 628375, 1156210, 1256750, 1313875, 2627750, 2890525, 5781050, 14452625, 28905250]

約数ペア:

[(1, 28905250), (2, 14452625), (5, 5781050), (10, 2890525), (11, 2627750), (22, 1313875), (23, 1256750), (25, 1156210), (46, 628375), (50, 578105), (55, 525550), (110, 262775), (115, 251350), (125, 231242), (230, 125675), (250, 115621), (253, 114250), (275, 105110), (457, 63250), (506, 57125), (550, 52555), (575, 50270), (914, 31625), (1150, 25135), (1265, 22850), (1375, 21022), (2285, 12650), (2530, 11425), (2750, 10511), (2875, 10054), (4570, 6325), (5027, 5750)]