4166680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 11197440

約数和(自身を除く): 7030760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 647, 805, 920, 1288, 1294, 1610, 2588, 3220, 3235, 4529, 5176, 6440, 6470, 9058, 12940, 14881, 18116, 22645, 25880, 29762, 36232, 45290, 59524, 74405, 90580, 104167, 119048, 148810, 181160, 208334, 297620, 416668, 520835, 595240, 833336, 1041670, 2083340, 4166680]

約数ペア:

[(1, 4166680), (2, 2083340), (4, 1041670), (5, 833336), (7, 595240), (8, 520835), (10, 416668), (14, 297620), (20, 208334), (23, 181160), (28, 148810), (35, 119048), (40, 104167), (46, 90580), (56, 74405), (70, 59524), (92, 45290), (115, 36232), (140, 29762), (161, 25880), (184, 22645), (230, 18116), (280, 14881), (322, 12940), (460, 9058), (644, 6470), (647, 6440), (805, 5176), (920, 4529), (1288, 3235), (1294, 3220), (1610, 2588)]