243538420

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1\times {\mathrm{359}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 519281280

約数和(自身を除く): 275742860

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 317, 359, 428, 535, 634, 718, 1070, 1268, 1436, 1585, 1795, 2140, 3170, 3590, 6340, 7180, 33919, 38413, 67838, 76826, 113803, 135676, 153652, 169595, 192065, 227606, 339190, 384130, 455212, 569015, 678380, 768260, 1138030, 2276060, 12176921, 24353842, 48707684, 60884605, 121769210, 243538420]

約数ペア:

[(1, 243538420), (2, 121769210), (4, 60884605), (5, 48707684), (10, 24353842), (20, 12176921), (107, 2276060), (214, 1138030), (317, 768260), (359, 678380), (428, 569015), (535, 455212), (634, 384130), (718, 339190), (1070, 227606), (1268, 192065), (1436, 169595), (1585, 153652), (1795, 135676), (2140, 113803), (3170, 76826), (3590, 67838), (6340, 38413), (7180, 33919)]