813595780

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{349}}^1\times {\mathrm{509}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 1724310000

約数和(自身を除く): 910714220

約数列:

[1, 2, 4, 5, 10, 20, 229, 349, 458, 509, 698, 916, 1018, 1145, 1396, 1745, 2036, 2290, 2545, 3490, 4580, 5090, 6980, 10180, 79921, 116561, 159842, 177641, 233122, 319684, 355282, 399605, 466244, 582805, 710564, 799210, 888205, 1165610, 1598420, 1776410, 2331220, 3552820, 40679789, 81359578, 162719156, 203398945, 406797890, 813595780]

約数ペア:

[(1, 813595780), (2, 406797890), (4, 203398945), (5, 162719156), (10, 81359578), (20, 40679789), (229, 3552820), (349, 2331220), (458, 1776410), (509, 1598420), (698, 1165610), (916, 888205), (1018, 799210), (1145, 710564), (1396, 582805), (1745, 466244), (2036, 399605), (2290, 355282), (2545, 319684), (3490, 233122), (4580, 177641), (5090, 159842), (6980, 116561), (10180, 79921)]