1292982020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{158843}}^1$

素因数の和:158900

約数の個数: 48

約数和(自身を含む): 3042180288

約数和(自身を除く): 1749198268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 158843, 317686, 635372, 794215, 1588430, 1747273, 3176860, 3494546, 5877191, 6989092, 8736365, 11754382, 17472730, 23508764, 29385955, 34945460, 58771910, 64649101, 117543820, 129298202, 258596404, 323245505, 646491010, 1292982020]

約数ペア:

[(1, 1292982020), (2, 646491010), (4, 323245505), (5, 258596404), (10, 129298202), (11, 117543820), (20, 64649101), (22, 58771910), (37, 34945460), (44, 29385955), (55, 23508764), (74, 17472730), (110, 11754382), (148, 8736365), (185, 6989092), (220, 5877191), (370, 3494546), (407, 3176860), (740, 1747273), (814, 1588430), (1628, 794215), (2035, 635372), (4070, 317686), (8140, 158843)]