8787880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 21542400

約数和(自身を除く): 12754520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 373, 380, 589, 620, 746, 760, 1178, 1240, 1492, 1865, 2356, 2945, 2984, 3730, 4712, 5890, 7087, 7460, 11563, 11780, 14174, 14920, 23126, 23560, 28348, 35435, 46252, 56696, 57815, 70870, 92504, 115630, 141740, 219697, 231260, 283480, 439394, 462520, 878788, 1098485, 1757576, 2196970, 4393940, 8787880]

約数ペア:

[(1, 8787880), (2, 4393940), (4, 2196970), (5, 1757576), (8, 1098485), (10, 878788), (19, 462520), (20, 439394), (31, 283480), (38, 231260), (40, 219697), (62, 141740), (76, 115630), (95, 92504), (124, 70870), (152, 57815), (155, 56696), (190, 46252), (248, 35435), (310, 28348), (373, 23560), (380, 23126), (589, 14920), (620, 14174), (746, 11780), (760, 11563), (1178, 7460), (1240, 7087), (1492, 5890), (1865, 4712), (2356, 3730), (2945, 2984)]