39181780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{739}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 90256320

約数和(自身を除く): 51074540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 241, 482, 739, 964, 1205, 1478, 2410, 2651, 2956, 3695, 4820, 5302, 7390, 8129, 10604, 13255, 14780, 16258, 26510, 32516, 40645, 53020, 81290, 162580, 178099, 356198, 712396, 890495, 1780990, 1959089, 3561980, 3918178, 7836356, 9795445, 19590890, 39181780]

約数ペア:

[(1, 39181780), (2, 19590890), (4, 9795445), (5, 7836356), (10, 3918178), (11, 3561980), (20, 1959089), (22, 1780990), (44, 890495), (55, 712396), (110, 356198), (220, 178099), (241, 162580), (482, 81290), (739, 53020), (964, 40645), (1205, 32516), (1478, 26510), (2410, 16258), (2651, 14780), (2956, 13255), (3695, 10604), (4820, 8129), (5302, 7390)]