1241746690

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 2350529280

約数和(自身を除く): 1108782590

約数列:

[1, 2, 5, 10, 43, 71, 86, 89, 142, 178, 215, 355, 430, 445, 457, 710, 890, 914, 2285, 3053, 3827, 4570, 6106, 6319, 7654, 12638, 15265, 19135, 19651, 30530, 31595, 32447, 38270, 39302, 40673, 63190, 64894, 81346, 98255, 162235, 196510, 203365, 271717, 324470, 406730, 543434, 1358585, 1395221, 1748939, 2717170, 2790442, 2887783, 3497878, 5775566, 6976105, 8744695, 13952210, 14438915, 17489390, 28877830, 124174669, 248349338, 620873345, 1241746690]

約数ペア:

[(1, 1241746690), (2, 620873345), (5, 248349338), (10, 124174669), (43, 28877830), (71, 17489390), (86, 14438915), (89, 13952210), (142, 8744695), (178, 6976105), (215, 5775566), (355, 3497878), (430, 2887783), (445, 2790442), (457, 2717170), (710, 1748939), (890, 1395221), (914, 1358585), (2285, 543434), (3053, 406730), (3827, 324470), (4570, 271717), (6106, 203365), (6319, 196510), (7654, 162235), (12638, 98255), (15265, 81346), (19135, 64894), (19651, 63190), (30530, 40673), (31595, 39302), (32447, 38270)]