909163970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20509}}^1$

素因数の和:20571

約数の個数: 64

約数和(自身を含む): 1984711680

約数和(自身を除く): 1075547710

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 715, 806, 1430, 1705, 2015, 3410, 4030, 4433, 8866, 20509, 22165, 41018, 44330, 102545, 205090, 225599, 266617, 451198, 533234, 635779, 1127995, 1271558, 1333085, 2255990, 2666170, 2932787, 3178895, 5865574, 6357790, 6993569, 8265127, 13987138, 14663935, 16530254, 29327870, 34967845, 41325635, 69935690, 82651270, 90916397, 181832794, 454581985, 909163970]

約数ペア:

[(1, 909163970), (2, 454581985), (5, 181832794), (10, 90916397), (11, 82651270), (13, 69935690), (22, 41325635), (26, 34967845), (31, 29327870), (55, 16530254), (62, 14663935), (65, 13987138), (110, 8265127), (130, 6993569), (143, 6357790), (155, 5865574), (286, 3178895), (310, 2932787), (341, 2666170), (403, 2255990), (682, 1333085), (715, 1271558), (806, 1127995), (1430, 635779), (1705, 533234), (2015, 451198), (3410, 266617), (4030, 225599), (4433, 205090), (8866, 102545), (20509, 44330), (22165, 41018)]