290455425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 564200000

約数和(自身を除く): 273744575

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 199, 225, 325, 499, 585, 597, 975, 995, 1497, 1791, 2495, 2587, 2925, 2985, 4491, 4975, 6487, 7485, 7761, 8955, 12475, 12935, 14925, 19461, 22455, 23283, 32435, 37425, 38805, 44775, 58383, 64675, 97305, 99301, 112275, 116415, 162175, 194025, 291915, 297903, 486525, 496505, 582075, 893709, 1290913, 1459575, 1489515, 2482525, 3872739, 4468545, 6454565, 7447575, 11618217, 19363695, 22342725, 32272825, 58091085, 96818475, 290455425]

約数ペア:

[(1, 290455425), (3, 96818475), (5, 58091085), (9, 32272825), (13, 22342725), (15, 19363695), (25, 11618217), (39, 7447575), (45, 6454565), (65, 4468545), (75, 3872739), (117, 2482525), (195, 1489515), (199, 1459575), (225, 1290913), (325, 893709), (499, 582075), (585, 496505), (597, 486525), (975, 297903), (995, 291915), (1497, 194025), (1791, 162175), (2495, 116415), (2587, 112275), (2925, 99301), (2985, 97305), (4491, 64675), (4975, 58383), (6487, 44775), (7485, 38805), (7761, 37425), (8955, 32435), (12475, 23283), (12935, 22455), (14925, 19461)]