2900620760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1\times {\mathrm{2273}}^1$

素因数の和:2868

約数の個数: 64

約数和(自身を含む): 6648994080

約数和(自身を除く): 3748373320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 523, 610, 1046, 1220, 2092, 2273, 2440, 2615, 4184, 4546, 5230, 9092, 10460, 11365, 18184, 20920, 22730, 31903, 45460, 63806, 90920, 127612, 138653, 159515, 255224, 277306, 319030, 554612, 638060, 693265, 1109224, 1188779, 1276120, 1386530, 2377558, 2773060, 4755116, 5546120, 5943895, 9510232, 11887790, 23775580, 47551160, 72515519, 145031038, 290062076, 362577595, 580124152, 725155190, 1450310380, 2900620760]

約数ペア:

[(1, 2900620760), (2, 1450310380), (4, 725155190), (5, 580124152), (8, 362577595), (10, 290062076), (20, 145031038), (40, 72515519), (61, 47551160), (122, 23775580), (244, 11887790), (305, 9510232), (488, 5943895), (523, 5546120), (610, 4755116), (1046, 2773060), (1220, 2377558), (2092, 1386530), (2273, 1276120), (2440, 1188779), (2615, 1109224), (4184, 693265), (4546, 638060), (5230, 554612), (9092, 319030), (10460, 277306), (11365, 255224), (18184, 159515), (20920, 138653), (22730, 127612), (31903, 90920), (45460, 63806)]