571480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 1592640

約数和(自身を除く): 1021160

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, 157, 182, 260, 280, 314, 364, 455, 520, 628, 728, 785, 910, 1099, 1256, 1570, 1820, 2041, 2198, 3140, 3640, 4082, 4396, 5495, 6280, 8164, 8792, 10205, 10990, 14287, 16328, 20410, 21980, 28574, 40820, 43960, 57148, 71435, 81640, 114296, 142870, 285740, 571480]

約数ペア:

[(1, 571480), (2, 285740), (4, 142870), (5, 114296), (7, 81640), (8, 71435), (10, 57148), (13, 43960), (14, 40820), (20, 28574), (26, 21980), (28, 20410), (35, 16328), (40, 14287), (52, 10990), (56, 10205), (65, 8792), (70, 8164), (91, 6280), (104, 5495), (130, 4396), (140, 4082), (157, 3640), (182, 3140), (260, 2198), (280, 2041), (314, 1820), (364, 1570), (455, 1256), (520, 1099), (628, 910), (728, 785)]