156988781260

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9001}}^1\times {\mathrm{4133}}^1$

素因数の和:13354

約数の個数: 48

約数和(自身を含む): 331355842272

約数和(自身を除く): 174367061012

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4133, 4220, 8266, 9001, 16532, 18002, 20665, 36004, 41330, 45005, 82660, 90010, 180020, 872063, 1744126, 1899211, 3488252, 3798422, 4360315, 7596844, 8720630, 9496055, 17441260, 18992110, 37201133, 37984220, 74402266, 148804532, 186005665, 372011330, 744022660, 7849439063, 15698878126, 31397756252, 39247195315, 78494390630, 156988781260]

約数ペア:

[(1, 156988781260), (2, 78494390630), (4, 39247195315), (5, 31397756252), (10, 15698878126), (20, 7849439063), (211, 744022660), (422, 372011330), (844, 186005665), (1055, 148804532), (2110, 74402266), (4133, 37984220), (4220, 37201133), (8266, 18992110), (9001, 17441260), (16532, 9496055), (18002, 8720630), (20665, 7596844), (36004, 4360315), (41330, 3798422), (45005, 3488252), (82660, 1899211), (90010, 1744126), (180020, 872063)]