724360

素因数分解:

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

素因数の和:230

約数の個数: 64

約数和(自身を含む): 2016000

約数和(自身を除く): 1291640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 199, 260, 280, 364, 398, 455, 520, 728, 796, 910, 995, 1393, 1592, 1820, 1990, 2587, 2786, 3640, 3980, 5174, 5572, 6965, 7960, 10348, 11144, 12935, 13930, 18109, 20696, 25870, 27860, 36218, 51740, 55720, 72436, 90545, 103480, 144872, 181090, 362180, 724360]

約数ペア:

[(1, 724360), (2, 362180), (4, 181090), (5, 144872), (7, 103480), (8, 90545), (10, 72436), (13, 55720), (14, 51740), (20, 36218), (26, 27860), (28, 25870), (35, 20696), (40, 18109), (52, 13930), (56, 12935), (65, 11144), (70, 10348), (91, 7960), (104, 6965), (130, 5572), (140, 5174), (182, 3980), (199, 3640), (260, 2786), (280, 2587), (364, 1990), (398, 1820), (455, 1592), (520, 1393), (728, 995), (796, 910)]