28863750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:247

約数の個数: 80

約数和(自身を含む): 74226240

約数和(自身を除く): 45362490

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 125, 129, 150, 179, 215, 250, 258, 358, 375, 430, 537, 625, 645, 750, 895, 1074, 1075, 1250, 1290, 1790, 1875, 2150, 2685, 3225, 3750, 4475, 5370, 5375, 6450, 7697, 8950, 10750, 13425, 15394, 16125, 22375, 23091, 26850, 26875, 32250, 38485, 44750, 46182, 53750, 67125, 76970, 80625, 111875, 115455, 134250, 161250, 192425, 223750, 230910, 335625, 384850, 577275, 671250, 962125, 1154550, 1924250, 2886375, 4810625, 5772750, 9621250, 14431875, 28863750]

約数ペア:

[(1, 28863750), (2, 14431875), (3, 9621250), (5, 5772750), (6, 4810625), (10, 2886375), (15, 1924250), (25, 1154550), (30, 962125), (43, 671250), (50, 577275), (75, 384850), (86, 335625), (125, 230910), (129, 223750), (150, 192425), (179, 161250), (215, 134250), (250, 115455), (258, 111875), (358, 80625), (375, 76970), (430, 67125), (537, 53750), (625, 46182), (645, 44750), (750, 38485), (895, 32250), (1074, 26875), (1075, 26850), (1250, 23091), (1290, 22375), (1790, 16125), (1875, 15394), (2150, 13425), (2685, 10750), (3225, 8950), (3750, 7697), (4475, 6450), (5370, 5375)]