188811220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15451}}^1$

素因数の和:15520

約数の個数: 48

約数和(自身を含む): 436117248

約数和(自身を除く): 247306028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 15451, 30902, 61804, 77255, 154510, 200863, 309020, 401726, 726197, 803452, 1004315, 1452394, 2008630, 2904788, 3630985, 4017260, 7261970, 9440561, 14523940, 18881122, 37762244, 47202805, 94405610, 188811220]

約数ペア:

[(1, 188811220), (2, 94405610), (4, 47202805), (5, 37762244), (10, 18881122), (13, 14523940), (20, 9440561), (26, 7261970), (47, 4017260), (52, 3630985), (65, 2904788), (94, 2008630), (130, 1452394), (188, 1004315), (235, 803452), (260, 726197), (470, 401726), (611, 309020), (940, 200863), (1222, 154510), (2444, 77255), (3055, 61804), (6110, 30902), (12220, 15451)]