28736250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 80

約数和(自身を含む): 73476480

約数和(自身を除く): 44740230

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 79, 97, 125, 150, 158, 194, 237, 250, 291, 375, 395, 474, 485, 582, 625, 750, 790, 970, 1185, 1250, 1455, 1875, 1975, 2370, 2425, 2910, 3750, 3950, 4850, 5925, 7275, 7663, 9875, 11850, 12125, 14550, 15326, 19750, 22989, 24250, 29625, 36375, 38315, 45978, 49375, 59250, 60625, 72750, 76630, 98750, 114945, 121250, 148125, 181875, 191575, 229890, 296250, 363750, 383150, 574725, 957875, 1149450, 1915750, 2873625, 4789375, 5747250, 9578750, 14368125, 28736250]

約数ペア:

[(1, 28736250), (2, 14368125), (3, 9578750), (5, 5747250), (6, 4789375), (10, 2873625), (15, 1915750), (25, 1149450), (30, 957875), (50, 574725), (75, 383150), (79, 363750), (97, 296250), (125, 229890), (150, 191575), (158, 181875), (194, 148125), (237, 121250), (250, 114945), (291, 98750), (375, 76630), (395, 72750), (474, 60625), (485, 59250), (582, 49375), (625, 45978), (750, 38315), (790, 36375), (970, 29625), (1185, 24250), (1250, 22989), (1455, 19750), (1875, 15326), (1975, 14550), (2370, 12125), (2425, 11850), (2910, 9875), (3750, 7663), (3950, 7275), (4850, 5925)]