913640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 2540160

約数和(自身を除く): 1626520

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, 251, 260, 280, 364, 455, 502, 520, 728, 910, 1004, 1255, 1757, 1820, 2008, 2510, 3263, 3514, 3640, 5020, 6526, 7028, 8785, 10040, 13052, 14056, 16315, 17570, 22841, 26104, 32630, 35140, 45682, 65260, 70280, 91364, 114205, 130520, 182728, 228410, 456820, 913640]

約数ペア:

[(1, 913640), (2, 456820), (4, 228410), (5, 182728), (7, 130520), (8, 114205), (10, 91364), (13, 70280), (14, 65260), (20, 45682), (26, 35140), (28, 32630), (35, 26104), (40, 22841), (52, 17570), (56, 16315), (65, 14056), (70, 13052), (91, 10040), (104, 8785), (130, 7028), (140, 6526), (182, 5020), (251, 3640), (260, 3514), (280, 3263), (364, 2510), (455, 2008), (502, 1820), (520, 1757), (728, 1255), (910, 1004)]