205222140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{380041}}^1$

素因数の和:380059

約数の個数: 48

約数和(自身を含む): 638470560

約数和(自身を除く): 433248420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 380041, 760082, 1140123, 1520164, 1900205, 2280246, 3420369, 3800410, 4560492, 5700615, 6840738, 7600820, 10261107, 11401230, 13681476, 17101845, 20522214, 22802460, 34203690, 41044428, 51305535, 68407380, 102611070, 205222140]

約数ペア:

[(1, 205222140), (2, 102611070), (3, 68407380), (4, 51305535), (5, 41044428), (6, 34203690), (9, 22802460), (10, 20522214), (12, 17101845), (15, 13681476), (18, 11401230), (20, 10261107), (27, 7600820), (30, 6840738), (36, 5700615), (45, 4560492), (54, 3800410), (60, 3420369), (90, 2280246), (108, 1900205), (135, 1520164), (180, 1140123), (270, 760082), (540, 380041)]