306379760

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{25703}}^1$

素因数の和:25865

約数の個数: 40

約数和(自身を含む): 717141600

約数和(自身を除く): 410761840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 25703, 51406, 102812, 128515, 205624, 257030, 411248, 514060, 1028120, 2056240, 3829747, 7659494, 15318988, 19148735, 30637976, 38297470, 61275952, 76594940, 153189880, 306379760]

約数ペア:

[(1, 306379760), (2, 153189880), (4, 76594940), (5, 61275952), (8, 38297470), (10, 30637976), (16, 19148735), (20, 15318988), (40, 7659494), (80, 3829747), (149, 2056240), (298, 1028120), (596, 514060), (745, 411248), (1192, 257030), (1490, 205624), (2384, 128515), (2980, 102812), (5960, 51406), (11920, 25703)]