2019945620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{187379}}^1$

素因数の和:187413

約数の個数: 72

約数和(自身を含む): 5383052640

約数和(自身を除く): 3363107020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 187379, 374758, 749516, 936895, 1311653, 1873790, 2061169, 2623306, 3747580, 4122338, 5246612, 6558265, 8244676, 9181571, 10305845, 13116530, 14428183, 18363142, 20611690, 26233060, 28856366, 36726284, 41223380, 45907855, 57712732, 72140915, 91815710, 100997281, 144281830, 183631420, 201994562, 288563660, 403989124, 504986405, 1009972810, 2019945620]

約数ペア:

[(1, 2019945620), (2, 1009972810), (4, 504986405), (5, 403989124), (7, 288563660), (10, 201994562), (11, 183631420), (14, 144281830), (20, 100997281), (22, 91815710), (28, 72140915), (35, 57712732), (44, 45907855), (49, 41223380), (55, 36726284), (70, 28856366), (77, 26233060), (98, 20611690), (110, 18363142), (140, 14428183), (154, 13116530), (196, 10305845), (220, 9181571), (245, 8244676), (308, 6558265), (385, 5246612), (490, 4122338), (539, 3747580), (770, 2623306), (980, 2061169), (1078, 1873790), (1540, 1311653), (2156, 936895), (2695, 749516), (5390, 374758), (10780, 187379)]