129820900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{10729}}^1$

素因数の和:10765

約数の個数: 54

約数和(自身を含む): 309678530

約数和(自身を除く): 179857630

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2420, 3025, 6050, 10729, 12100, 21458, 42916, 53645, 107290, 118019, 214580, 236038, 268225, 472076, 536450, 590095, 1072900, 1180190, 1298209, 2360380, 2596418, 2950475, 5192836, 5900950, 6491045, 11801900, 12982090, 25964180, 32455225, 64910450, 129820900]

約数ペア:

[(1, 129820900), (2, 64910450), (4, 32455225), (5, 25964180), (10, 12982090), (11, 11801900), (20, 6491045), (22, 5900950), (25, 5192836), (44, 2950475), (50, 2596418), (55, 2360380), (100, 1298209), (110, 1180190), (121, 1072900), (220, 590095), (242, 536450), (275, 472076), (484, 268225), (550, 236038), (605, 214580), (1100, 118019), (1210, 107290), (2420, 53645), (3025, 42916), (6050, 21458), (10729, 12100)]