384865240

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{18397}}^1$

素因数の和:18931

約数の個数: 32

約数和(自身を含む): 867649680

約数和(自身を除く): 482784440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 10460, 18397, 20920, 36794, 73588, 91985, 147176, 183970, 367940, 735880, 9621631, 19243262, 38486524, 48108155, 76973048, 96216310, 192432620, 384865240]

約数ペア:

[(1, 384865240), (2, 192432620), (4, 96216310), (5, 76973048), (8, 48108155), (10, 38486524), (20, 19243262), (40, 9621631), (523, 735880), (1046, 367940), (2092, 183970), (2615, 147176), (4184, 91985), (5230, 73588), (10460, 36794), (18397, 20920)]