208549040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{372409}}^1$

素因数の和:372429

約数の個数: 40

約数和(自身を含む): 554146080

約数和(自身を除く): 345597040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 372409, 744818, 1489636, 1862045, 2606863, 2979272, 3724090, 5213726, 5958544, 7448180, 10427452, 13034315, 14896360, 20854904, 26068630, 29792720, 41709808, 52137260, 104274520, 208549040]

約数ペア:

[(1, 208549040), (2, 104274520), (4, 52137260), (5, 41709808), (7, 29792720), (8, 26068630), (10, 20854904), (14, 14896360), (16, 13034315), (20, 10427452), (28, 7448180), (35, 5958544), (40, 5213726), (56, 3724090), (70, 2979272), (80, 2606863), (112, 1862045), (140, 1489636), (280, 744818), (560, 372409)]