139446920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{205069}}^1$

素因数の和:205097

約数の個数: 32

約数和(自身を含む): 332213400

約数和(自身を除く): 192766480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 205069, 410138, 820276, 1025345, 1640552, 2050690, 3486173, 4101380, 6972346, 8202760, 13944692, 17430865, 27889384, 34861730, 69723460, 139446920]

約数ペア:

[(1, 139446920), (2, 69723460), (4, 34861730), (5, 27889384), (8, 17430865), (10, 13944692), (17, 8202760), (20, 6972346), (34, 4101380), (40, 3486173), (68, 2050690), (85, 1640552), (136, 1025345), (170, 820276), (340, 410138), (680, 205069)]