335574620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{1303}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 718556160

約数和(自身を除く): 382981540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 163, 316, 326, 395, 652, 790, 815, 1303, 1580, 1630, 2606, 3260, 5212, 6515, 12877, 13030, 25754, 26060, 51508, 64385, 102937, 128770, 205874, 212389, 257540, 411748, 424778, 514685, 849556, 1029370, 1061945, 2058740, 2123890, 4247780, 16778731, 33557462, 67114924, 83893655, 167787310, 335574620]

約数ペア:

[(1, 335574620), (2, 167787310), (4, 83893655), (5, 67114924), (10, 33557462), (20, 16778731), (79, 4247780), (158, 2123890), (163, 2058740), (316, 1061945), (326, 1029370), (395, 849556), (652, 514685), (790, 424778), (815, 411748), (1303, 257540), (1580, 212389), (1630, 205874), (2606, 128770), (3260, 102937), (5212, 64385), (6515, 51508), (12877, 26060), (13030, 25754)]