216300260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{11047}}^1$

素因数の和:11156

約数の個数: 48

約数和(自身を含む): 501137280

約数和(自身を除く): 284837020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 11047, 19580, 22094, 44188, 55235, 110470, 121517, 220940, 243034, 486068, 607585, 983183, 1215170, 1966366, 2430340, 3932732, 4915915, 9831830, 10815013, 19663660, 21630026, 43260052, 54075065, 108150130, 216300260]

約数ペア:

[(1, 216300260), (2, 108150130), (4, 54075065), (5, 43260052), (10, 21630026), (11, 19663660), (20, 10815013), (22, 9831830), (44, 4915915), (55, 3932732), (89, 2430340), (110, 1966366), (178, 1215170), (220, 983183), (356, 607585), (445, 486068), (890, 243034), (979, 220940), (1780, 121517), (1958, 110470), (3916, 55235), (4895, 44188), (9790, 22094), (11047, 19580)]