206989100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1395

約数の個数: 72

約数和(自身を含む): 472396848

約数和(自身を除く): 265407748

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 43, 50, 74, 86, 100, 148, 172, 185, 215, 370, 430, 740, 860, 925, 1075, 1301, 1591, 1850, 2150, 2602, 3182, 3700, 4300, 5204, 6364, 6505, 7955, 13010, 15910, 26020, 31820, 32525, 39775, 48137, 55943, 65050, 79550, 96274, 111886, 130100, 159100, 192548, 223772, 240685, 279715, 481370, 559430, 962740, 1118860, 1203425, 1398575, 2069891, 2406850, 2797150, 4139782, 4813700, 5594300, 8279564, 10349455, 20698910, 41397820, 51747275, 103494550, 206989100]

約数ペア:

[(1, 206989100), (2, 103494550), (4, 51747275), (5, 41397820), (10, 20698910), (20, 10349455), (25, 8279564), (37, 5594300), (43, 4813700), (50, 4139782), (74, 2797150), (86, 2406850), (100, 2069891), (148, 1398575), (172, 1203425), (185, 1118860), (215, 962740), (370, 559430), (430, 481370), (740, 279715), (860, 240685), (925, 223772), (1075, 192548), (1301, 159100), (1591, 130100), (1850, 111886), (2150, 96274), (2602, 79550), (3182, 65050), (3700, 55943), (4300, 48137), (5204, 39775), (6364, 32525), (6505, 31820), (7955, 26020), (13010, 15910)]