28807100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{5879}}^1$

素因数の和:5907

約数の個数: 54

約数和(自身を含む): 72729720

約数和(自身を除く): 43922620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 5879, 11758, 23516, 29395, 41153, 58790, 82306, 117580, 146975, 164612, 205765, 288071, 293950, 411530, 576142, 587900, 823060, 1028825, 1152284, 1440355, 2057650, 2880710, 4115300, 5761420, 7201775, 14403550, 28807100]

約数ペア:

[(1, 28807100), (2, 14403550), (4, 7201775), (5, 5761420), (7, 4115300), (10, 2880710), (14, 2057650), (20, 1440355), (25, 1152284), (28, 1028825), (35, 823060), (49, 587900), (50, 576142), (70, 411530), (98, 293950), (100, 288071), (140, 205765), (175, 164612), (196, 146975), (245, 117580), (350, 82306), (490, 58790), (700, 41153), (980, 29395), (1225, 23516), (2450, 11758), (4900, 5879)]