987032720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{333457}}^1$

素因数の和:333507

約数の個数: 40

約数和(自身を含む): 2356881144

約数和(自身を除く): 1369848424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 333457, 666914, 1333828, 1667285, 2667656, 3334570, 5335312, 6669140, 12337909, 13338280, 24675818, 26676560, 49351636, 61689545, 98703272, 123379090, 197406544, 246758180, 493516360, 987032720]

約数ペア:

[(1, 987032720), (2, 493516360), (4, 246758180), (5, 197406544), (8, 123379090), (10, 98703272), (16, 61689545), (20, 49351636), (37, 26676560), (40, 24675818), (74, 13338280), (80, 12337909), (148, 6669140), (185, 5335312), (296, 3334570), (370, 2667656), (592, 1667285), (740, 1333828), (1480, 666914), (2960, 333457)]