636830740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349907}}^1$

素因数の和:349936

約数の個数: 48

約数和(自身を含む): 1645967232

約数和(自身を除く): 1009136492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 349907, 699814, 1399628, 1749535, 2449349, 3499070, 4548791, 4898698, 6998140, 9097582, 9797396, 12246745, 18195164, 22743955, 24493490, 31841537, 45487910, 48986980, 63683074, 90975820, 127366148, 159207685, 318415370, 636830740]

約数ペア:

[(1, 636830740), (2, 318415370), (4, 159207685), (5, 127366148), (7, 90975820), (10, 63683074), (13, 48986980), (14, 45487910), (20, 31841537), (26, 24493490), (28, 22743955), (35, 18195164), (52, 12246745), (65, 9797396), (70, 9097582), (91, 6998140), (130, 4898698), (140, 4548791), (182, 3499070), (260, 2449349), (364, 1749535), (455, 1399628), (910, 699814), (1820, 349907)]