211328920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1009

約数の個数: 96

約数和(自身を含む): 534340800

約数和(自身を除く): 323011880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 121, 188, 220, 235, 242, 376, 440, 470, 484, 517, 605, 929, 940, 968, 1034, 1210, 1858, 1880, 2068, 2420, 2585, 3716, 4136, 4645, 4840, 5170, 5687, 7432, 9290, 10219, 10340, 11374, 18580, 20438, 20680, 22748, 28435, 37160, 40876, 43663, 45496, 51095, 56870, 81752, 87326, 102190, 112409, 113740, 174652, 204380, 218315, 224818, 227480, 349304, 408760, 436630, 449636, 480293, 562045, 873260, 899272, 960586, 1124090, 1746520, 1921172, 2248180, 2401465, 3842344, 4496360, 4802930, 5283223, 9605860, 10566446, 19211720, 21132892, 26416115, 42265784, 52832230, 105664460, 211328920]

約数ペア:

[(1, 211328920), (2, 105664460), (4, 52832230), (5, 42265784), (8, 26416115), (10, 21132892), (11, 19211720), (20, 10566446), (22, 9605860), (40, 5283223), (44, 4802930), (47, 4496360), (55, 3842344), (88, 2401465), (94, 2248180), (110, 1921172), (121, 1746520), (188, 1124090), (220, 960586), (235, 899272), (242, 873260), (376, 562045), (440, 480293), (470, 449636), (484, 436630), (517, 408760), (605, 349304), (929, 227480), (940, 224818), (968, 218315), (1034, 204380), (1210, 174652), (1858, 113740), (1880, 112409), (2068, 102190), (2420, 87326), (2585, 81752), (3716, 56870), (4136, 51095), (4645, 45496), (4840, 43663), (5170, 40876), (5687, 37160), (7432, 28435), (9290, 22748), (10219, 20680), (10340, 20438), (11374, 18580)]