224360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 518400

約数和(自身を除く): 294040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 79, 142, 158, 284, 316, 355, 395, 568, 632, 710, 790, 1420, 1580, 2840, 3160, 5609, 11218, 22436, 28045, 44872, 56090, 112180, 224360]

約数ペア:

[(1, 224360), (2, 112180), (4, 56090), (5, 44872), (8, 28045), (10, 22436), (20, 11218), (40, 5609), (71, 3160), (79, 2840), (142, 1580), (158, 1420), (284, 790), (316, 710), (355, 632), (395, 568)]