2002007590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{8269}}^1$

素因数の和:8389

約数の個数: 64

約数和(自身を含む): 4115681280

約数和(自身を除く): 2113673690

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 71, 110, 142, 155, 310, 341, 355, 682, 710, 781, 1562, 1705, 2201, 3410, 3905, 4402, 7810, 8269, 11005, 16538, 22010, 24211, 41345, 48422, 82690, 90959, 121055, 181918, 242110, 256339, 454795, 512678, 587099, 909590, 1174198, 1281695, 2563390, 2819729, 2935495, 5639458, 5870990, 6458089, 12916178, 14098645, 18200069, 28197290, 32290445, 36400138, 64580890, 91000345, 182000690, 200200759, 400401518, 1001003795, 2002007590]

約数ペア:

[(1, 2002007590), (2, 1001003795), (5, 400401518), (10, 200200759), (11, 182000690), (22, 91000345), (31, 64580890), (55, 36400138), (62, 32290445), (71, 28197290), (110, 18200069), (142, 14098645), (155, 12916178), (310, 6458089), (341, 5870990), (355, 5639458), (682, 2935495), (710, 2819729), (781, 2563390), (1562, 1281695), (1705, 1174198), (2201, 909590), (3410, 587099), (3905, 512678), (4402, 454795), (7810, 256339), (8269, 242110), (11005, 181918), (16538, 121055), (22010, 90959), (24211, 82690), (41345, 48422)]