28250950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:926

約数の個数: 72

約数和(自身を含む): 65902032

約数和(自身を除く): 37651082

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 637, 650, 887, 910, 1225, 1274, 1774, 2275, 2450, 3185, 4435, 4550, 6209, 6370, 8870, 11531, 12418, 15925, 22175, 23062, 31045, 31850, 43463, 44350, 57655, 62090, 80717, 86926, 115310, 155225, 161434, 217315, 288275, 310450, 403585, 434630, 565019, 576550, 807170, 1086575, 1130038, 2017925, 2173150, 2825095, 4035850, 5650190, 14125475, 28250950]

約数ペア:

[(1, 28250950), (2, 14125475), (5, 5650190), (7, 4035850), (10, 2825095), (13, 2173150), (14, 2017925), (25, 1130038), (26, 1086575), (35, 807170), (49, 576550), (50, 565019), (65, 434630), (70, 403585), (91, 310450), (98, 288275), (130, 217315), (175, 161434), (182, 155225), (245, 115310), (325, 86926), (350, 80717), (455, 62090), (490, 57655), (637, 44350), (650, 43463), (887, 31850), (910, 31045), (1225, 23062), (1274, 22175), (1774, 15925), (2275, 12418), (2450, 11531), (3185, 8870), (4435, 6370), (4550, 6209)]