258291250

素因数分解:

$2^1\times 5^4\times 7^2\times {\mathrm{4217}}^1$

素因数の和:4253

約数の個数: 60

約数和(自身を含む): 563318118

約数和(自身を除く): 305026868

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 350, 490, 625, 875, 1225, 1250, 1750, 2450, 4217, 4375, 6125, 8434, 8750, 12250, 21085, 29519, 30625, 42170, 59038, 61250, 105425, 147595, 206633, 210850, 295190, 413266, 527125, 737975, 1033165, 1054250, 1475950, 2066330, 2635625, 3689875, 5165825, 5271250, 7379750, 10331650, 18449375, 25829125, 36898750, 51658250, 129145625, 258291250]

約数ペア:

[(1, 258291250), (2, 129145625), (5, 51658250), (7, 36898750), (10, 25829125), (14, 18449375), (25, 10331650), (35, 7379750), (49, 5271250), (50, 5165825), (70, 3689875), (98, 2635625), (125, 2066330), (175, 1475950), (245, 1054250), (250, 1033165), (350, 737975), (490, 527125), (625, 413266), (875, 295190), (1225, 210850), (1250, 206633), (1750, 147595), (2450, 105425), (4217, 61250), (4375, 59038), (6125, 42170), (8434, 30625), (8750, 29519), (12250, 21085)]