1338045550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{1741}}^1$

素因数の和:2581

約数の個数: 48

約数和(自身を含む): 2624497200

約数和(自身を除く): 1286451650

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 809, 950, 1618, 1741, 3482, 4045, 8090, 8705, 15371, 17410, 20225, 30742, 33079, 40450, 43525, 66158, 76855, 87050, 153710, 165395, 330790, 384275, 768550, 826975, 1408469, 1653950, 2816938, 7042345, 14084690, 26760911, 35211725, 53521822, 70423450, 133804555, 267609110, 669022775, 1338045550]

約数ペア:

[(1, 1338045550), (2, 669022775), (5, 267609110), (10, 133804555), (19, 70423450), (25, 53521822), (38, 35211725), (50, 26760911), (95, 14084690), (190, 7042345), (475, 2816938), (809, 1653950), (950, 1408469), (1618, 826975), (1741, 768550), (3482, 384275), (4045, 330790), (8090, 165395), (8705, 153710), (15371, 87050), (17410, 76855), (20225, 66158), (30742, 43525), (33079, 40450)]