78421750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{28517}}^1$

素因数の和:28545

約数の個数: 32

約数和(自身を含む): 160157088

約数和(自身を除く): 81735338

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 28517, 57034, 142585, 285170, 313687, 627374, 712925, 1425850, 1568435, 3136870, 3564625, 7129250, 7842175, 15684350, 39210875, 78421750]

約数ペア:

[(1, 78421750), (2, 39210875), (5, 15684350), (10, 7842175), (11, 7129250), (22, 3564625), (25, 3136870), (50, 1568435), (55, 1425850), (110, 712925), (125, 627374), (250, 313687), (275, 285170), (550, 142585), (1375, 57034), (2750, 28517)]