51099220

素因数分解:

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

素因数の和:592

約数の個数: 48

約数和(自身を含む): 111081600

約数和(自身を除く): 59982380

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 199, 347, 370, 398, 694, 740, 796, 995, 1388, 1735, 1990, 3470, 3980, 6940, 7363, 12839, 14726, 25678, 29452, 36815, 51356, 64195, 69053, 73630, 128390, 138106, 147260, 256780, 276212, 345265, 690530, 1381060, 2554961, 5109922, 10219844, 12774805, 25549610, 51099220]

約数ペア:

[(1, 51099220), (2, 25549610), (4, 12774805), (5, 10219844), (10, 5109922), (20, 2554961), (37, 1381060), (74, 690530), (148, 345265), (185, 276212), (199, 256780), (347, 147260), (370, 138106), (398, 128390), (694, 73630), (740, 69053), (796, 64195), (995, 51356), (1388, 36815), (1735, 29452), (1990, 25678), (3470, 14726), (3980, 12839), (6940, 7363)]