28303860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:433

約数の個数: 96

約数和(自身を含む): 86308992

約数和(自身を除く): 58005132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 131, 156, 195, 260, 262, 277, 390, 393, 524, 554, 655, 780, 786, 831, 1108, 1310, 1385, 1572, 1662, 1703, 1965, 2620, 2770, 3324, 3406, 3601, 3930, 4155, 5109, 5540, 6812, 7202, 7860, 8310, 8515, 10218, 10803, 14404, 16620, 17030, 18005, 20436, 21606, 25545, 34060, 36010, 36287, 43212, 51090, 54015, 72020, 72574, 102180, 108030, 108861, 145148, 181435, 216060, 217722, 362870, 435444, 471731, 544305, 725740, 943462, 1088610, 1415193, 1886924, 2177220, 2358655, 2830386, 4717310, 5660772, 7075965, 9434620, 14151930, 28303860]

約数ペア:

[(1, 28303860), (2, 14151930), (3, 9434620), (4, 7075965), (5, 5660772), (6, 4717310), (10, 2830386), (12, 2358655), (13, 2177220), (15, 1886924), (20, 1415193), (26, 1088610), (30, 943462), (39, 725740), (52, 544305), (60, 471731), (65, 435444), (78, 362870), (130, 217722), (131, 216060), (156, 181435), (195, 145148), (260, 108861), (262, 108030), (277, 102180), (390, 72574), (393, 72020), (524, 54015), (554, 51090), (655, 43212), (780, 36287), (786, 36010), (831, 34060), (1108, 25545), (1310, 21606), (1385, 20436), (1572, 18005), (1662, 17030), (1703, 16620), (1965, 14404), (2620, 10803), (2770, 10218), (3324, 8515), (3406, 8310), (3601, 7860), (3930, 7202), (4155, 6812), (5109, 5540)]