1288894500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{286421}}^1$

素因数の和:286446

約数の個数: 72

約数和(自身を含む): 4066046712

約数和(自身を除く): 2777152212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 286421, 572842, 859263, 1145684, 1432105, 1718526, 2577789, 2864210, 3437052, 4296315, 5155578, 5728420, 7160525, 8592630, 10311156, 12888945, 14321050, 17185260, 21481575, 25777890, 28642100, 35802625, 42963150, 51555780, 64444725, 71605250, 85926300, 107407875, 128889450, 143210500, 214815750, 257778900, 322223625, 429631500, 644447250, 1288894500]

約数ペア:

[(1, 1288894500), (2, 644447250), (3, 429631500), (4, 322223625), (5, 257778900), (6, 214815750), (9, 143210500), (10, 128889450), (12, 107407875), (15, 85926300), (18, 71605250), (20, 64444725), (25, 51555780), (30, 42963150), (36, 35802625), (45, 28642100), (50, 25777890), (60, 21481575), (75, 17185260), (90, 14321050), (100, 12888945), (125, 10311156), (150, 8592630), (180, 7160525), (225, 5728420), (250, 5155578), (300, 4296315), (375, 3437052), (450, 2864210), (500, 2577789), (750, 1718526), (900, 1432105), (1125, 1145684), (1500, 859263), (2250, 572842), (4500, 286421)]