858679720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1\times {\mathrm{857}}^1$

素因数の和:1582

約数の個数: 64

約数和(自身を含む): 1989496080

約数和(自身を除く): 1130816360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 677, 740, 857, 1354, 1480, 1714, 2708, 3385, 3428, 4285, 5416, 6770, 6856, 8570, 13540, 17140, 25049, 27080, 31709, 34280, 50098, 63418, 100196, 125245, 126836, 158545, 200392, 250490, 253672, 317090, 500980, 580189, 634180, 1001960, 1160378, 1268360, 2320756, 2900945, 4641512, 5801890, 11603780, 21466993, 23207560, 42933986, 85867972, 107334965, 171735944, 214669930, 429339860, 858679720]

約数ペア:

[(1, 858679720), (2, 429339860), (4, 214669930), (5, 171735944), (8, 107334965), (10, 85867972), (20, 42933986), (37, 23207560), (40, 21466993), (74, 11603780), (148, 5801890), (185, 4641512), (296, 2900945), (370, 2320756), (677, 1268360), (740, 1160378), (857, 1001960), (1354, 634180), (1480, 580189), (1714, 500980), (2708, 317090), (3385, 253672), (3428, 250490), (4285, 200392), (5416, 158545), (6770, 126836), (6856, 125245), (8570, 100196), (13540, 63418), (17140, 50098), (25049, 34280), (27080, 31709)]