178889620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{433}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 465470208

約数和(自身を除く): 286580588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 227, 260, 364, 433, 454, 455, 866, 908, 910, 1135, 1589, 1732, 1820, 2165, 2270, 2951, 3031, 3178, 4330, 4540, 5629, 5902, 6062, 6356, 7945, 8660, 11258, 11804, 12124, 14755, 15155, 15890, 20657, 22516, 28145, 29510, 30310, 31780, 39403, 41314, 56290, 59020, 60620, 78806, 82628, 98291, 103285, 112580, 157612, 196582, 197015, 206570, 393164, 394030, 413140, 491455, 688037, 788060, 982910, 1277783, 1376074, 1965820, 2555566, 2752148, 3440185, 5111132, 6388915, 6880370, 8944481, 12777830, 13760740, 17888962, 25555660, 35777924, 44722405, 89444810, 178889620]

約数ペア:

[(1, 178889620), (2, 89444810), (4, 44722405), (5, 35777924), (7, 25555660), (10, 17888962), (13, 13760740), (14, 12777830), (20, 8944481), (26, 6880370), (28, 6388915), (35, 5111132), (52, 3440185), (65, 2752148), (70, 2555566), (91, 1965820), (130, 1376074), (140, 1277783), (182, 982910), (227, 788060), (260, 688037), (364, 491455), (433, 413140), (454, 394030), (455, 393164), (866, 206570), (908, 197015), (910, 196582), (1135, 157612), (1589, 112580), (1732, 103285), (1820, 98291), (2165, 82628), (2270, 78806), (2951, 60620), (3031, 59020), (3178, 56290), (4330, 41314), (4540, 39403), (5629, 31780), (5902, 30310), (6062, 29510), (6356, 28145), (7945, 22516), (8660, 20657), (11258, 15890), (11804, 15155), (12124, 14755)]