55542890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 114912000

約数和(自身を除く): 59369110

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 113, 130, 190, 199, 226, 247, 398, 494, 565, 995, 1130, 1235, 1469, 1990, 2147, 2470, 2587, 2938, 3781, 4294, 5174, 7345, 7562, 10735, 12935, 14690, 18905, 21470, 22487, 25870, 27911, 37810, 44974, 49153, 55822, 98306, 112435, 139555, 224870, 245765, 279110, 292331, 427253, 491530, 584662, 854506, 1461655, 2136265, 2923310, 4272530, 5554289, 11108578, 27771445, 55542890]

約数ペア:

[(1, 55542890), (2, 27771445), (5, 11108578), (10, 5554289), (13, 4272530), (19, 2923310), (26, 2136265), (38, 1461655), (65, 854506), (95, 584662), (113, 491530), (130, 427253), (190, 292331), (199, 279110), (226, 245765), (247, 224870), (398, 139555), (494, 112435), (565, 98306), (995, 55822), (1130, 49153), (1235, 44974), (1469, 37810), (1990, 27911), (2147, 25870), (2470, 22487), (2587, 21470), (2938, 18905), (3781, 14690), (4294, 12935), (5174, 10735), (7345, 7562)]