64920100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{13249}}^1$

素因数の和:13277

約数の個数: 54

約数和(自身を含む): 163889250

約数和(自身を除く): 98969150

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, 13249, 26498, 52996, 66245, 92743, 132490, 185486, 264980, 331225, 370972, 463715, 649201, 662450, 927430, 1298402, 1324900, 1854860, 2318575, 2596804, 3246005, 4637150, 6492010, 9274300, 12984020, 16230025, 32460050, 64920100]

約数ペア:

[(1, 64920100), (2, 32460050), (4, 16230025), (5, 12984020), (7, 9274300), (10, 6492010), (14, 4637150), (20, 3246005), (25, 2596804), (28, 2318575), (35, 1854860), (49, 1324900), (50, 1298402), (70, 927430), (98, 662450), (100, 649201), (140, 463715), (175, 370972), (196, 331225), (245, 264980), (350, 185486), (490, 132490), (700, 92743), (980, 66245), (1225, 52996), (2450, 26498), (4900, 13249)]