38391080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 108864000

約数和(自身を除く): 70472920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 53, 56, 65, 70, 91, 104, 106, 130, 140, 182, 199, 212, 260, 265, 280, 364, 371, 398, 424, 455, 520, 530, 689, 728, 742, 796, 910, 995, 1060, 1378, 1393, 1484, 1592, 1820, 1855, 1990, 2120, 2587, 2756, 2786, 2968, 3445, 3640, 3710, 3980, 4823, 5174, 5512, 5572, 6890, 6965, 7420, 7960, 9646, 10348, 10547, 11144, 12935, 13780, 13930, 14840, 18109, 19292, 20696, 21094, 24115, 25870, 27560, 27860, 36218, 38584, 42188, 48230, 51740, 52735, 55720, 72436, 73829, 84376, 90545, 96460, 103480, 105470, 137111, 144872, 147658, 181090, 192920, 210940, 274222, 295316, 362180, 369145, 421880, 548444, 590632, 685555, 724360, 738290, 959777, 1096888, 1371110, 1476580, 1919554, 2742220, 2953160, 3839108, 4798885, 5484440, 7678216, 9597770, 19195540, 38391080]

約数ペア:

[(1, 38391080), (2, 19195540), (4, 9597770), (5, 7678216), (7, 5484440), (8, 4798885), (10, 3839108), (13, 2953160), (14, 2742220), (20, 1919554), (26, 1476580), (28, 1371110), (35, 1096888), (40, 959777), (52, 738290), (53, 724360), (56, 685555), (65, 590632), (70, 548444), (91, 421880), (104, 369145), (106, 362180), (130, 295316), (140, 274222), (182, 210940), (199, 192920), (212, 181090), (260, 147658), (265, 144872), (280, 137111), (364, 105470), (371, 103480), (398, 96460), (424, 90545), (455, 84376), (520, 73829), (530, 72436), (689, 55720), (728, 52735), (742, 51740), (796, 48230), (910, 42188), (995, 38584), (1060, 36218), (1378, 27860), (1393, 27560), (1484, 25870), (1592, 24115), (1820, 21094), (1855, 20696), (1990, 19292), (2120, 18109), (2587, 14840), (2756, 13930), (2786, 13780), (2968, 12935), (3445, 11144), (3640, 10547), (3710, 10348), (3980, 9646), (4823, 7960), (5174, 7420), (5512, 6965), (5572, 6890)]