219799240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{148513}}^1$

素因数の和:148561

約数の個数: 32

約数和(自身を含む): 507917880

約数和(自身を除く): 288118640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 148513, 297026, 594052, 742565, 1188104, 1485130, 2970260, 5494981, 5940520, 10989962, 21979924, 27474905, 43959848, 54949810, 109899620, 219799240]

約数ペア:

[(1, 219799240), (2, 109899620), (4, 54949810), (5, 43959848), (8, 27474905), (10, 21979924), (20, 10989962), (37, 5940520), (40, 5494981), (74, 2970260), (148, 1485130), (185, 1188104), (296, 742565), (370, 594052), (740, 297026), (1480, 148513)]