821391090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{110849}}^1$

素因数の和:110891

約数の個数: 64

約数和(自身を含む): 2234736000

約数和(自身を除く): 1413344910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 3705, 7410, 110849, 221698, 332547, 554245, 665094, 1108490, 1441037, 1662735, 2106131, 2882074, 3325470, 4212262, 4323111, 6318393, 7205185, 8646222, 10530655, 12636786, 14410370, 21061310, 21615555, 27379703, 31591965, 43231110, 54759406, 63183930, 82139109, 136898515, 164278218, 273797030, 410695545, 821391090]

約数ペア:

[(1, 821391090), (2, 410695545), (3, 273797030), (5, 164278218), (6, 136898515), (10, 82139109), (13, 63183930), (15, 54759406), (19, 43231110), (26, 31591965), (30, 27379703), (38, 21615555), (39, 21061310), (57, 14410370), (65, 12636786), (78, 10530655), (95, 8646222), (114, 7205185), (130, 6318393), (190, 4323111), (195, 4212262), (247, 3325470), (285, 2882074), (390, 2106131), (494, 1662735), (570, 1441037), (741, 1108490), (1235, 665094), (1482, 554245), (2470, 332547), (3705, 221698), (7410, 110849)]