2021521340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{312929}}^1$

素因数の和:312974

約数の個数: 48

約数和(自身を含む): 4731501600

約数和(自身を除く): 2709980260

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 312929, 625858, 1251716, 1564645, 3129290, 5319793, 5945651, 6258580, 10639586, 11891302, 21279172, 23782604, 26598965, 29728255, 53197930, 59456510, 101076067, 106395860, 118913020, 202152134, 404304268, 505380335, 1010760670, 2021521340]

約数ペア:

[(1, 2021521340), (2, 1010760670), (4, 505380335), (5, 404304268), (10, 202152134), (17, 118913020), (19, 106395860), (20, 101076067), (34, 59456510), (38, 53197930), (68, 29728255), (76, 26598965), (85, 23782604), (95, 21279172), (170, 11891302), (190, 10639586), (323, 6258580), (340, 5945651), (380, 5319793), (646, 3129290), (1292, 1564645), (1615, 1251716), (3230, 625858), (6460, 312929)]