2279777720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{58217}}^1$

素因数の和:58328

約数の個数: 64

約数和(自身を含む): 5658789600

約数和(自身を除く): 3379011880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4895, 7832, 9790, 19580, 39160, 58217, 116434, 232868, 291085, 465736, 582170, 640387, 1164340, 1280774, 2328680, 2561548, 3201935, 5123096, 5181313, 6403870, 10362626, 12807740, 20725252, 25615480, 25906565, 41450504, 51813130, 56994443, 103626260, 113988886, 207252520, 227977772, 284972215, 455955544, 569944430, 1139888860, 2279777720]

約数ペア:

[(1, 2279777720), (2, 1139888860), (4, 569944430), (5, 455955544), (8, 284972215), (10, 227977772), (11, 207252520), (20, 113988886), (22, 103626260), (40, 56994443), (44, 51813130), (55, 41450504), (88, 25906565), (89, 25615480), (110, 20725252), (178, 12807740), (220, 10362626), (356, 6403870), (440, 5181313), (445, 5123096), (712, 3201935), (890, 2561548), (979, 2328680), (1780, 1280774), (1958, 1164340), (3560, 640387), (3916, 582170), (4895, 465736), (7832, 291085), (9790, 232868), (19580, 116434), (39160, 58217)]