2017503440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{681589}}^1$

素因数の和:681639

約数の個数: 40

約数和(自身を含む): 4817478120

約数和(自身を除く): 2799974680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 681589, 1363178, 2726356, 3407945, 5452712, 6815890, 10905424, 13631780, 25218793, 27263560, 50437586, 54527120, 100875172, 126093965, 201750344, 252187930, 403500688, 504375860, 1008751720, 2017503440]

約数ペア:

[(1, 2017503440), (2, 1008751720), (4, 504375860), (5, 403500688), (8, 252187930), (10, 201750344), (16, 126093965), (20, 100875172), (37, 54527120), (40, 50437586), (74, 27263560), (80, 25218793), (148, 13631780), (185, 10905424), (296, 6815890), (370, 5452712), (592, 3407945), (740, 2726356), (1480, 1363178), (2960, 681589)]