28990250

素因数分解:

$2^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 55188432

約数和(自身を除く): 26198182

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 125, 250, 305, 610, 1525, 1901, 3050, 3802, 7625, 9505, 15250, 19010, 47525, 95050, 115961, 231922, 237625, 475250, 579805, 1159610, 2899025, 5798050, 14495125, 28990250]

約数ペア:

[(1, 28990250), (2, 14495125), (5, 5798050), (10, 2899025), (25, 1159610), (50, 579805), (61, 475250), (122, 237625), (125, 231922), (250, 115961), (305, 95050), (610, 47525), (1525, 19010), (1901, 15250), (3050, 9505), (3802, 7625)]