214663640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{145043}}^1$

素因数の和:145091

約数の個数: 32

約数和(自身を含む): 496050480

約数和(自身を除く): 281386840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 145043, 290086, 580172, 725215, 1160344, 1450430, 2900860, 5366591, 5801720, 10733182, 21466364, 26832955, 42932728, 53665910, 107331820, 214663640]

約数ペア:

[(1, 214663640), (2, 107331820), (4, 53665910), (5, 42932728), (8, 26832955), (10, 21466364), (20, 10733182), (37, 5801720), (40, 5366591), (74, 2900860), (148, 1450430), (185, 1160344), (296, 725215), (370, 580172), (740, 290086), (1480, 145043)]