872184940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{360407}}^1$

素因数の和:360438

約数の個数: 36

約数和(自身を含む): 2013239088

約数和(自身を除く): 1141054148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 360407, 720814, 1441628, 1802035, 3604070, 3964477, 7208140, 7928954, 15857908, 19822385, 39644770, 43609247, 79289540, 87218494, 174436988, 218046235, 436092470, 872184940]

約数ペア:

[(1, 872184940), (2, 436092470), (4, 218046235), (5, 174436988), (10, 87218494), (11, 79289540), (20, 43609247), (22, 39644770), (44, 19822385), (55, 15857908), (110, 7928954), (121, 7208140), (220, 3964477), (242, 3604070), (484, 1802035), (605, 1441628), (1210, 720814), (2420, 360407)]