204568276940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1\times {\mathrm{332837}}^1$

素因数の和:333314

約数の個数: 48

約数和(自身を含む): 436150915200

約数和(自身を除く): 231582638260

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 389, 395, 778, 790, 1556, 1580, 1945, 3890, 7780, 30731, 61462, 122924, 153655, 307310, 332837, 614620, 665674, 1331348, 1664185, 3328370, 6656740, 26294123, 52588246, 105176492, 129473593, 131470615, 258947186, 262941230, 517894372, 525882460, 647367965, 1294735930, 2589471860, 10228413847, 20456827694, 40913655388, 51142069235, 102284138470, 204568276940]

約数ペア:

[(1, 204568276940), (2, 102284138470), (4, 51142069235), (5, 40913655388), (10, 20456827694), (20, 10228413847), (79, 2589471860), (158, 1294735930), (316, 647367965), (389, 525882460), (395, 517894372), (778, 262941230), (790, 258947186), (1556, 131470615), (1580, 129473593), (1945, 105176492), (3890, 52588246), (7780, 26294123), (30731, 6656740), (61462, 3328370), (122924, 1664185), (153655, 1331348), (307310, 665674), (332837, 614620)]