172570220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{3823}}^1$

素因数の和:3930

約数の個数: 48

約数和(自身を含む): 378392448

約数和(自身を除く): 205822228

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 244, 305, 370, 610, 740, 1220, 2257, 3823, 4514, 7646, 9028, 11285, 15292, 19115, 22570, 38230, 45140, 76460, 141451, 233203, 282902, 466406, 565804, 707255, 932812, 1166015, 1414510, 2332030, 2829020, 4664060, 8628511, 17257022, 34514044, 43142555, 86285110, 172570220]

約数ペア:

[(1, 172570220), (2, 86285110), (4, 43142555), (5, 34514044), (10, 17257022), (20, 8628511), (37, 4664060), (61, 2829020), (74, 2332030), (122, 1414510), (148, 1166015), (185, 932812), (244, 707255), (305, 565804), (370, 466406), (610, 282902), (740, 233203), (1220, 141451), (2257, 76460), (3823, 45140), (4514, 38230), (7646, 22570), (9028, 19115), (11285, 15292)]