725045356

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{641}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 1536948000

約数和(自身を除く): 811902644

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 199, 203, 398, 406, 641, 796, 812, 1282, 1393, 1421, 2564, 2786, 2842, 4487, 5572, 5684, 5771, 8974, 9751, 11542, 17948, 18589, 19502, 23084, 31409, 37178, 39004, 40397, 62818, 74356, 80794, 125636, 127559, 130123, 161588, 255118, 260246, 282779, 510236, 520492, 565558, 892913, 910861, 1131116, 1785826, 1821722, 3571652, 3643444, 3699211, 6250391, 7398422, 12500782, 14796844, 25001564, 25894477, 51788954, 103577908, 181261339, 362522678, 725045356]

約数ペア:

[(1, 725045356), (2, 362522678), (4, 181261339), (7, 103577908), (14, 51788954), (28, 25894477), (29, 25001564), (49, 14796844), (58, 12500782), (98, 7398422), (116, 6250391), (196, 3699211), (199, 3643444), (203, 3571652), (398, 1821722), (406, 1785826), (641, 1131116), (796, 910861), (812, 892913), (1282, 565558), (1393, 520492), (1421, 510236), (2564, 282779), (2786, 260246), (2842, 255118), (4487, 161588), (5572, 130123), (5684, 127559), (5771, 125636), (8974, 80794), (9751, 74356), (11542, 62818), (17948, 40397), (18589, 39004), (19502, 37178), (23084, 31409)]