284865440

素因数分解:

$2^5\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4229}}^1$

素因数の和:4665

約数の個数: 48

約数和(自身を含む): 674752680

約数和(自身を除く): 389887240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 421, 842, 1684, 2105, 3368, 4210, 4229, 6736, 8420, 8458, 13472, 16840, 16916, 21145, 33680, 33832, 42290, 67360, 67664, 84580, 135328, 169160, 338320, 676640, 1780409, 3560818, 7121636, 8902045, 14243272, 17804090, 28486544, 35608180, 56973088, 71216360, 142432720, 284865440]

約数ペア:

[(1, 284865440), (2, 142432720), (4, 71216360), (5, 56973088), (8, 35608180), (10, 28486544), (16, 17804090), (20, 14243272), (32, 8902045), (40, 7121636), (80, 3560818), (160, 1780409), (421, 676640), (842, 338320), (1684, 169160), (2105, 135328), (3368, 84580), (4210, 67664), (4229, 67360), (6736, 42290), (8420, 33832), (8458, 33680), (13472, 21145), (16840, 16916)]