188861960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1049}}^1$

素因数の和:1710

約数の個数: 64

約数和(自身を含む): 486864000

約数和(自身を除く): 298002040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 643, 1049, 1286, 2098, 2572, 3215, 4196, 4501, 5144, 5245, 6430, 7343, 8392, 9002, 10490, 12860, 14686, 18004, 20980, 22505, 25720, 29372, 36008, 36715, 41960, 45010, 58744, 73430, 90020, 146860, 180040, 293720, 674507, 1349014, 2698028, 3372535, 4721549, 5396056, 6745070, 9443098, 13490140, 18886196, 23607745, 26980280, 37772392, 47215490, 94430980, 188861960]

約数ペア:

[(1, 188861960), (2, 94430980), (4, 47215490), (5, 37772392), (7, 26980280), (8, 23607745), (10, 18886196), (14, 13490140), (20, 9443098), (28, 6745070), (35, 5396056), (40, 4721549), (56, 3372535), (70, 2698028), (140, 1349014), (280, 674507), (643, 293720), (1049, 180040), (1286, 146860), (2098, 90020), (2572, 73430), (3215, 58744), (4196, 45010), (4501, 41960), (5144, 36715), (5245, 36008), (6430, 29372), (7343, 25720), (8392, 22505), (9002, 20980), (10490, 18004), (12860, 14686)]