220160980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1087}}^1$

素因数の和:1169

約数の個数: 96

約数和(自身を含む): 537384960

約数和(自身を除く): 317223980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 41, 52, 65, 76, 82, 95, 130, 164, 190, 205, 247, 260, 380, 410, 494, 533, 779, 820, 988, 1066, 1087, 1235, 1558, 2132, 2174, 2470, 2665, 3116, 3895, 4348, 4940, 5330, 5435, 7790, 10127, 10660, 10870, 14131, 15580, 20254, 20653, 21740, 28262, 40508, 41306, 44567, 50635, 56524, 70655, 82612, 89134, 101270, 103265, 141310, 178268, 202540, 206530, 222835, 268489, 282620, 413060, 445670, 536978, 579371, 846773, 891340, 1073956, 1158742, 1342445, 1693546, 2317484, 2684890, 2896855, 3387092, 4233865, 5369780, 5793710, 8467730, 11008049, 11587420, 16935460, 22016098, 44032196, 55040245, 110080490, 220160980]

約数ペア:

[(1, 220160980), (2, 110080490), (4, 55040245), (5, 44032196), (10, 22016098), (13, 16935460), (19, 11587420), (20, 11008049), (26, 8467730), (38, 5793710), (41, 5369780), (52, 4233865), (65, 3387092), (76, 2896855), (82, 2684890), (95, 2317484), (130, 1693546), (164, 1342445), (190, 1158742), (205, 1073956), (247, 891340), (260, 846773), (380, 579371), (410, 536978), (494, 445670), (533, 413060), (779, 282620), (820, 268489), (988, 222835), (1066, 206530), (1087, 202540), (1235, 178268), (1558, 141310), (2132, 103265), (2174, 101270), (2470, 89134), (2665, 82612), (3116, 70655), (3895, 56524), (4348, 50635), (4940, 44567), (5330, 41306), (5435, 40508), (7790, 28262), (10127, 21740), (10660, 20653), (10870, 20254), (14131, 15580)]