28800756

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^2\times {\mathrm{101}}^1$

素因数の和:289

約数の個数: 54

約数和(自身を含む): 74358102

約数和(自身を除く): 45557346

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 101, 178, 202, 267, 303, 356, 404, 534, 606, 801, 909, 1068, 1212, 1602, 1818, 3204, 3636, 7921, 8989, 15842, 17978, 23763, 26967, 31684, 35956, 47526, 53934, 71289, 80901, 95052, 107868, 142578, 161802, 285156, 323604, 800021, 1600042, 2400063, 3200084, 4800126, 7200189, 9600252, 14400378, 28800756]

約数ペア:

[(1, 28800756), (2, 14400378), (3, 9600252), (4, 7200189), (6, 4800126), (9, 3200084), (12, 2400063), (18, 1600042), (36, 800021), (89, 323604), (101, 285156), (178, 161802), (202, 142578), (267, 107868), (303, 95052), (356, 80901), (404, 71289), (534, 53934), (606, 47526), (801, 35956), (909, 31684), (1068, 26967), (1212, 23763), (1602, 17978), (1818, 15842), (3204, 8989), (3636, 7921)]