222768940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1\times {\mathrm{509}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 476380800

約数和(自身を除く): 253611860

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 277, 316, 395, 509, 554, 790, 1018, 1108, 1385, 1580, 2036, 2545, 2770, 5090, 5540, 10180, 21883, 40211, 43766, 80422, 87532, 109415, 140993, 160844, 201055, 218830, 281986, 402110, 437660, 563972, 704965, 804220, 1409930, 2819860, 11138447, 22276894, 44553788, 55692235, 111384470, 222768940]

約数ペア:

[(1, 222768940), (2, 111384470), (4, 55692235), (5, 44553788), (10, 22276894), (20, 11138447), (79, 2819860), (158, 1409930), (277, 804220), (316, 704965), (395, 563972), (509, 437660), (554, 402110), (790, 281986), (1018, 218830), (1108, 201055), (1385, 160844), (1580, 140993), (2036, 109415), (2545, 87532), (2770, 80422), (5090, 43766), (5540, 40211), (10180, 21883)]