289412840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{599}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 668736000

約数和(自身を除く): 379323160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 257, 376, 470, 514, 599, 940, 1028, 1198, 1285, 1880, 2056, 2396, 2570, 2995, 4792, 5140, 5990, 10280, 11980, 12079, 23960, 24158, 28153, 48316, 56306, 60395, 96632, 112612, 120790, 140765, 153943, 225224, 241580, 281530, 307886, 483160, 563060, 615772, 769715, 1126120, 1231544, 1539430, 3078860, 6157720, 7235321, 14470642, 28941284, 36176605, 57882568, 72353210, 144706420, 289412840]

約数ペア:

[(1, 289412840), (2, 144706420), (4, 72353210), (5, 57882568), (8, 36176605), (10, 28941284), (20, 14470642), (40, 7235321), (47, 6157720), (94, 3078860), (188, 1539430), (235, 1231544), (257, 1126120), (376, 769715), (470, 615772), (514, 563060), (599, 483160), (940, 307886), (1028, 281530), (1198, 241580), (1285, 225224), (1880, 153943), (2056, 140765), (2396, 120790), (2570, 112612), (2995, 96632), (4792, 60395), (5140, 56306), (5990, 48316), (10280, 28153), (11980, 24158), (12079, 23960)]