2918440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1489}}^1$

素因数の和:1514

約数の個数: 48

約数和(自身を含む): 7643700

約数和(自身を除く): 4725260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1489, 1960, 2978, 5956, 7445, 10423, 11912, 14890, 20846, 29780, 41692, 52115, 59560, 72961, 83384, 104230, 145922, 208460, 291844, 364805, 416920, 583688, 729610, 1459220, 2918440]

約数ペア:

[(1, 2918440), (2, 1459220), (4, 729610), (5, 583688), (7, 416920), (8, 364805), (10, 291844), (14, 208460), (20, 145922), (28, 104230), (35, 83384), (40, 72961), (49, 59560), (56, 52115), (70, 41692), (98, 29780), (140, 20846), (196, 14890), (245, 11912), (280, 10423), (392, 7445), (490, 5956), (980, 2978), (1489, 1960)]