137975720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2658

約数の個数: 64

約数和(自身を含む): 331516800

約数和(自身を除く): 193541080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2557, 2698, 2840, 5114, 5396, 6745, 10228, 10792, 12785, 13490, 20456, 25570, 26980, 48583, 51140, 53960, 97166, 102280, 181547, 194332, 242915, 363094, 388664, 485830, 726188, 907735, 971660, 1452376, 1815470, 1943320, 3449393, 3630940, 6898786, 7261880, 13797572, 17246965, 27595144, 34493930, 68987860, 137975720]

約数ペア:

[(1, 137975720), (2, 68987860), (4, 34493930), (5, 27595144), (8, 17246965), (10, 13797572), (19, 7261880), (20, 6898786), (38, 3630940), (40, 3449393), (71, 1943320), (76, 1815470), (95, 1452376), (142, 971660), (152, 907735), (190, 726188), (284, 485830), (355, 388664), (380, 363094), (568, 242915), (710, 194332), (760, 181547), (1349, 102280), (1420, 97166), (2557, 53960), (2698, 51140), (2840, 48583), (5114, 26980), (5396, 25570), (6745, 20456), (10228, 13490), (10792, 12785)]