22728940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 33154580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 52, 65, 76, 86, 95, 107, 130, 172, 190, 214, 215, 247, 260, 380, 428, 430, 494, 535, 559, 817, 860, 988, 1070, 1118, 1235, 1391, 1634, 2033, 2140, 2236, 2470, 2782, 2795, 3268, 4066, 4085, 4601, 4940, 5564, 5590, 6955, 8132, 8170, 9202, 10165, 10621, 11180, 13910, 16340, 18404, 20330, 21242, 23005, 26429, 27820, 40660, 42484, 46010, 52858, 53105, 59813, 87419, 92020, 105716, 106210, 119626, 132145, 174838, 212420, 239252, 264290, 299065, 349676, 437095, 528580, 598130, 874190, 1136447, 1196260, 1748380, 2272894, 4545788, 5682235, 11364470, 22728940]

約数ペア:

[(1, 22728940), (2, 11364470), (4, 5682235), (5, 4545788), (10, 2272894), (13, 1748380), (19, 1196260), (20, 1136447), (26, 874190), (38, 598130), (43, 528580), (52, 437095), (65, 349676), (76, 299065), (86, 264290), (95, 239252), (107, 212420), (130, 174838), (172, 132145), (190, 119626), (214, 106210), (215, 105716), (247, 92020), (260, 87419), (380, 59813), (428, 53105), (430, 52858), (494, 46010), (535, 42484), (559, 40660), (817, 27820), (860, 26429), (988, 23005), (1070, 21242), (1118, 20330), (1235, 18404), (1391, 16340), (1634, 13910), (2033, 11180), (2140, 10621), (2236, 10165), (2470, 9202), (2782, 8170), (2795, 8132), (3268, 6955), (4066, 5590), (4085, 5564), (4601, 4940)]