4427080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 11571840

約数和(自身を除く): 7144760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 163, 194, 280, 326, 388, 485, 652, 679, 776, 815, 970, 1141, 1304, 1358, 1630, 1940, 2282, 2716, 3260, 3395, 3880, 4564, 5432, 5705, 6520, 6790, 9128, 11410, 13580, 15811, 22820, 27160, 31622, 45640, 63244, 79055, 110677, 126488, 158110, 221354, 316220, 442708, 553385, 632440, 885416, 1106770, 2213540, 4427080]

約数ペア:

[(1, 4427080), (2, 2213540), (4, 1106770), (5, 885416), (7, 632440), (8, 553385), (10, 442708), (14, 316220), (20, 221354), (28, 158110), (35, 126488), (40, 110677), (56, 79055), (70, 63244), (97, 45640), (140, 31622), (163, 27160), (194, 22820), (280, 15811), (326, 13580), (388, 11410), (485, 9128), (652, 6790), (679, 6520), (776, 5705), (815, 5432), (970, 4564), (1141, 3880), (1304, 3395), (1358, 3260), (1630, 2716), (1940, 2282)]