205499190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1153}}^1$

素因数の和:1633

約数の個数: 64

約数和(自身を含む): 532760256

約数和(自身を除く): 327261066

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 457, 914, 1153, 1371, 2285, 2306, 2742, 3459, 4570, 5765, 5941, 6855, 6918, 11530, 11882, 13710, 14989, 17295, 17823, 29705, 29978, 34590, 35646, 44967, 59410, 74945, 89115, 89934, 149890, 178230, 224835, 449670, 526921, 1053842, 1580763, 2634605, 3161526, 5269210, 6849973, 7903815, 13699946, 15807630, 20549919, 34249865, 41099838, 68499730, 102749595, 205499190]

約数ペア:

[(1, 205499190), (2, 102749595), (3, 68499730), (5, 41099838), (6, 34249865), (10, 20549919), (13, 15807630), (15, 13699946), (26, 7903815), (30, 6849973), (39, 5269210), (65, 3161526), (78, 2634605), (130, 1580763), (195, 1053842), (390, 526921), (457, 449670), (914, 224835), (1153, 178230), (1371, 149890), (2285, 89934), (2306, 89115), (2742, 74945), (3459, 59410), (4570, 44967), (5765, 35646), (5941, 34590), (6855, 29978), (6918, 29705), (11530, 17823), (11882, 17295), (13710, 14989)]