977505880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{28057}}^1$

素因数の和:28148

約数の個数: 64

約数和(自身を含む): 2404009440

約数和(自身を除く): 1426503560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4355, 6968, 8710, 17420, 28057, 34840, 56114, 112228, 140285, 224456, 280570, 364741, 561140, 729482, 1122280, 1458964, 1823705, 1879819, 2917928, 3647410, 3759638, 7294820, 7519276, 9399095, 14589640, 15038552, 18798190, 24437647, 37596380, 48875294, 75192760, 97750588, 122188235, 195501176, 244376470, 488752940, 977505880]

約数ペア:

[(1, 977505880), (2, 488752940), (4, 244376470), (5, 195501176), (8, 122188235), (10, 97750588), (13, 75192760), (20, 48875294), (26, 37596380), (40, 24437647), (52, 18798190), (65, 15038552), (67, 14589640), (104, 9399095), (130, 7519276), (134, 7294820), (260, 3759638), (268, 3647410), (335, 2917928), (520, 1879819), (536, 1823705), (670, 1458964), (871, 1122280), (1340, 729482), (1742, 561140), (2680, 364741), (3484, 280570), (4355, 224456), (6968, 140285), (8710, 112228), (17420, 56114), (28057, 34840)]