85812100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 204736896

約数和(自身を除く): 118924796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 181, 220, 275, 362, 431, 550, 724, 862, 905, 1100, 1724, 1810, 1991, 2155, 3620, 3982, 4310, 4525, 4741, 7964, 8620, 9050, 9482, 9955, 10775, 18100, 18964, 19910, 21550, 23705, 39820, 43100, 47410, 49775, 78011, 94820, 99550, 118525, 156022, 199100, 237050, 312044, 390055, 474100, 780110, 858121, 1560220, 1716242, 1950275, 3432484, 3900550, 4290605, 7801100, 8581210, 17162420, 21453025, 42906050, 85812100]

約数ペア:

[(1, 85812100), (2, 42906050), (4, 21453025), (5, 17162420), (10, 8581210), (11, 7801100), (20, 4290605), (22, 3900550), (25, 3432484), (44, 1950275), (50, 1716242), (55, 1560220), (100, 858121), (110, 780110), (181, 474100), (220, 390055), (275, 312044), (362, 237050), (431, 199100), (550, 156022), (724, 118525), (862, 99550), (905, 94820), (1100, 78011), (1724, 49775), (1810, 47410), (1991, 43100), (2155, 39820), (3620, 23705), (3982, 21550), (4310, 19910), (4525, 18964), (4741, 18100), (7964, 10775), (8620, 9955), (9050, 9482)]