201520144

素因数分解:

$2^4\times 7^2\times {\mathrm{401}}^1\times {\mathrm{641}}^1$

素因数の和:1064

約数の個数: 60

約数和(自身を含む): 456034428

約数和(自身を除く): 254514284

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 401, 641, 784, 802, 1282, 1604, 2564, 2807, 3208, 4487, 5128, 5614, 6416, 8974, 10256, 11228, 17948, 19649, 22456, 31409, 35896, 39298, 44912, 62818, 71792, 78596, 125636, 157192, 251272, 257041, 314384, 502544, 514082, 1028164, 1799287, 2056328, 3598574, 4112656, 7197148, 12595009, 14394296, 25190018, 28788592, 50380036, 100760072, 201520144]

約数ペア:

[(1, 201520144), (2, 100760072), (4, 50380036), (7, 28788592), (8, 25190018), (14, 14394296), (16, 12595009), (28, 7197148), (49, 4112656), (56, 3598574), (98, 2056328), (112, 1799287), (196, 1028164), (392, 514082), (401, 502544), (641, 314384), (784, 257041), (802, 251272), (1282, 157192), (1604, 125636), (2564, 78596), (2807, 71792), (3208, 62818), (4487, 44912), (5128, 39298), (5614, 35896), (6416, 31409), (8974, 22456), (10256, 19649), (11228, 17948)]