381131860

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1\times {\mathrm{739}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 812306880

約数和(自身を除く): 431175020

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 241, 428, 482, 535, 739, 964, 1070, 1205, 1478, 2140, 2410, 2956, 3695, 4820, 7390, 14780, 25787, 51574, 79073, 103148, 128935, 158146, 178099, 257870, 316292, 356198, 395365, 515740, 712396, 790730, 890495, 1581460, 1780990, 3561980, 19056593, 38113186, 76226372, 95282965, 190565930, 381131860]

約数ペア:

[(1, 381131860), (2, 190565930), (4, 95282965), (5, 76226372), (10, 38113186), (20, 19056593), (107, 3561980), (214, 1780990), (241, 1581460), (428, 890495), (482, 790730), (535, 712396), (739, 515740), (964, 395365), (1070, 356198), (1205, 316292), (1478, 257870), (2140, 178099), (2410, 158146), (2956, 128935), (3695, 103148), (4820, 79073), (7390, 51574), (14780, 25787)]