664289860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 1555142400

約数和(自身を除く): 890852540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 199, 260, 347, 370, 398, 481, 694, 740, 796, 962, 995, 1388, 1735, 1924, 1990, 2405, 2587, 3470, 3980, 4511, 4810, 5174, 6940, 7363, 9022, 9620, 10348, 12839, 12935, 14726, 18044, 22555, 25678, 25870, 29452, 36815, 45110, 51356, 51740, 64195, 69053, 73630, 90220, 95719, 128390, 138106, 147260, 166907, 191438, 256780, 276212, 333814, 345265, 382876, 478595, 667628, 690530, 834535, 897689, 957190, 1381060, 1669070, 1795378, 1914380, 2554961, 3338140, 3590756, 4488445, 5109922, 8976890, 10219844, 12774805, 17953780, 25549610, 33214493, 51099220, 66428986, 132857972, 166072465, 332144930, 664289860]

約数ペア:

[(1, 664289860), (2, 332144930), (4, 166072465), (5, 132857972), (10, 66428986), (13, 51099220), (20, 33214493), (26, 25549610), (37, 17953780), (52, 12774805), (65, 10219844), (74, 8976890), (130, 5109922), (148, 4488445), (185, 3590756), (199, 3338140), (260, 2554961), (347, 1914380), (370, 1795378), (398, 1669070), (481, 1381060), (694, 957190), (740, 897689), (796, 834535), (962, 690530), (995, 667628), (1388, 478595), (1735, 382876), (1924, 345265), (1990, 333814), (2405, 276212), (2587, 256780), (3470, 191438), (3980, 166907), (4511, 147260), (4810, 138106), (5174, 128390), (6940, 95719), (7363, 90220), (9022, 73630), (9620, 69053), (10348, 64195), (12839, 51740), (12935, 51356), (14726, 45110), (18044, 36815), (22555, 29452), (25678, 25870)]