221540480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{49451}}^1$

素因数の和:49477

約数の個数: 64

約数和(自身を含む): 605292480

約数和(自身を除く): 383752000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 49451, 98902, 197804, 247255, 346157, 395608, 494510, 692314, 791216, 989020, 1384628, 1582432, 1730785, 1978040, 2769256, 3164864, 3461570, 3956080, 5538512, 6329728, 6923140, 7912160, 11077024, 13846280, 15824320, 22154048, 27692560, 31648640, 44308096, 55385120, 110770240, 221540480]

約数ペア:

[(1, 221540480), (2, 110770240), (4, 55385120), (5, 44308096), (7, 31648640), (8, 27692560), (10, 22154048), (14, 15824320), (16, 13846280), (20, 11077024), (28, 7912160), (32, 6923140), (35, 6329728), (40, 5538512), (56, 3956080), (64, 3461570), (70, 3164864), (80, 2769256), (112, 1978040), (128, 1730785), (140, 1582432), (160, 1384628), (224, 989020), (280, 791216), (320, 692314), (448, 494510), (560, 395608), (640, 346157), (896, 247255), (1120, 197804), (2240, 98902), (4480, 49451)]