2117656820

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{769}}^1\times {\mathrm{877}}^1$

素因数の和:1812

約数の個数: 48

約数和(自身を含む): 4486334160

約数和(自身を除く): 2368677340

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 769, 785, 877, 1538, 1570, 1754, 3076, 3140, 3508, 3845, 4385, 7690, 8770, 15380, 17540, 120733, 137689, 241466, 275378, 482932, 550756, 603665, 674413, 688445, 1207330, 1348826, 1376890, 2414660, 2697652, 2753780, 3372065, 6744130, 13488260, 105882841, 211765682, 423531364, 529414205, 1058828410, 2117656820]

約数ペア:

[(1, 2117656820), (2, 1058828410), (4, 529414205), (5, 423531364), (10, 211765682), (20, 105882841), (157, 13488260), (314, 6744130), (628, 3372065), (769, 2753780), (785, 2697652), (877, 2414660), (1538, 1376890), (1570, 1348826), (1754, 1207330), (3076, 688445), (3140, 674413), (3508, 603665), (3845, 550756), (4385, 482932), (7690, 275378), (8770, 241466), (15380, 137689), (17540, 120733)]