205221210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{17231}}^1$

素因数の和:17638

約数の個数: 32

約数和(自身を含む): 493800192

約数和(自身を除く): 288578982

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1985, 2382, 3970, 5955, 11910, 17231, 34462, 51693, 86155, 103386, 172310, 258465, 516930, 6840707, 13681414, 20522121, 34203535, 41044242, 68407070, 102610605, 205221210]

約数ペア:

[(1, 205221210), (2, 102610605), (3, 68407070), (5, 41044242), (6, 34203535), (10, 20522121), (15, 13681414), (30, 6840707), (397, 516930), (794, 258465), (1191, 172310), (1985, 103386), (2382, 86155), (3970, 51693), (5955, 34462), (11910, 17231)]