208747840

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13313}}^1$

素因数の和:13344

約数の個数: 84

約数和(自身を含む): 578280276

約数和(自身を除く): 369532436

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 13313, 15680, 26626, 53252, 66565, 93191, 106504, 133130, 186382, 213008, 266260, 372764, 426016, 465955, 532520, 652337, 745528, 852032, 931910, 1065040, 1304674, 1491056, 1863820, 2130080, 2609348, 2982112, 3261685, 3727640, 4260160, 5218696, 5964224, 6523370, 7455280, 10437392, 13046740, 14910560, 20874784, 26093480, 29821120, 41749568, 52186960, 104373920, 208747840]

約数ペア:

[(1, 208747840), (2, 104373920), (4, 52186960), (5, 41749568), (7, 29821120), (8, 26093480), (10, 20874784), (14, 14910560), (16, 13046740), (20, 10437392), (28, 7455280), (32, 6523370), (35, 5964224), (40, 5218696), (49, 4260160), (56, 3727640), (64, 3261685), (70, 2982112), (80, 2609348), (98, 2130080), (112, 1863820), (140, 1491056), (160, 1304674), (196, 1065040), (224, 931910), (245, 852032), (280, 745528), (320, 652337), (392, 532520), (448, 465955), (490, 426016), (560, 372764), (784, 266260), (980, 213008), (1120, 186382), (1568, 133130), (1960, 106504), (2240, 93191), (3136, 66565), (3920, 53252), (7840, 26626), (13313, 15680)]