1499688980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{25759}}^1$

素因数の和:25880

約数の個数: 48

約数和(自身を含む): 3271726080

約数和(自身を除く): 1772037100

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 1420, 2911, 5822, 11644, 14555, 25759, 29110, 51518, 58220, 103036, 128795, 257590, 515180, 1056119, 1828889, 2112238, 3657778, 4224476, 5280595, 7315556, 9144445, 10561190, 18288890, 21122380, 36577780, 74984449, 149968898, 299937796, 374922245, 749844490, 1499688980]

約数ペア:

[(1, 1499688980), (2, 749844490), (4, 374922245), (5, 299937796), (10, 149968898), (20, 74984449), (41, 36577780), (71, 21122380), (82, 18288890), (142, 10561190), (164, 9144445), (205, 7315556), (284, 5280595), (355, 4224476), (410, 3657778), (710, 2112238), (820, 1828889), (1420, 1056119), (2911, 515180), (5822, 257590), (11644, 128795), (14555, 103036), (25759, 58220), (29110, 51518)]