1388402860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{35839}}^1$

素因数の和:36010

約数の個数: 48

約数和(自身を含む): 3161088000

約数和(自身を除く): 1772685140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1937, 2980, 3874, 7748, 9685, 19370, 35839, 38740, 71678, 143356, 179195, 358390, 465907, 716780, 931814, 1863628, 2329535, 4659070, 5340011, 9318140, 10680022, 21360044, 26700055, 53400110, 69420143, 106800220, 138840286, 277680572, 347100715, 694201430, 1388402860]

約数ペア:

[(1, 1388402860), (2, 694201430), (4, 347100715), (5, 277680572), (10, 138840286), (13, 106800220), (20, 69420143), (26, 53400110), (52, 26700055), (65, 21360044), (130, 10680022), (149, 9318140), (260, 5340011), (298, 4659070), (596, 2329535), (745, 1863628), (1490, 931814), (1937, 716780), (2980, 465907), (3874, 358390), (7748, 179195), (9685, 143356), (19370, 71678), (35839, 38740)]