70441720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 164073600

約数和(自身を除く): 93631880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 89, 94, 178, 188, 235, 356, 376, 421, 445, 470, 712, 842, 890, 940, 1684, 1780, 1880, 2105, 3368, 3560, 4183, 4210, 8366, 8420, 16732, 16840, 19787, 20915, 33464, 37469, 39574, 41830, 74938, 79148, 83660, 98935, 149876, 158296, 167320, 187345, 197870, 299752, 374690, 395740, 749380, 791480, 1498760, 1761043, 3522086, 7044172, 8805215, 14088344, 17610430, 35220860, 70441720]

約数ペア:

[(1, 70441720), (2, 35220860), (4, 17610430), (5, 14088344), (8, 8805215), (10, 7044172), (20, 3522086), (40, 1761043), (47, 1498760), (89, 791480), (94, 749380), (178, 395740), (188, 374690), (235, 299752), (356, 197870), (376, 187345), (421, 167320), (445, 158296), (470, 149876), (712, 98935), (842, 83660), (890, 79148), (940, 74938), (1684, 41830), (1780, 39574), (1880, 37469), (2105, 33464), (3368, 20915), (3560, 19787), (4183, 16840), (4210, 16732), (8366, 8420)]