28601420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 63419328

約数和(自身を除く): 34817908

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 641, 970, 1282, 1940, 2231, 2564, 3205, 4462, 6410, 8924, 11155, 12820, 14743, 22310, 29486, 44620, 58972, 62177, 73715, 124354, 147430, 248708, 294860, 310885, 621770, 1243540, 1430071, 2860142, 5720284, 7150355, 14300710, 28601420]

約数ペア:

[(1, 28601420), (2, 14300710), (4, 7150355), (5, 5720284), (10, 2860142), (20, 1430071), (23, 1243540), (46, 621770), (92, 310885), (97, 294860), (115, 248708), (194, 147430), (230, 124354), (388, 73715), (460, 62177), (485, 58972), (641, 44620), (970, 29486), (1282, 22310), (1940, 14743), (2231, 12820), (2564, 11155), (3205, 8924), (4462, 6410)]