2600920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1327}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 6812640

約数和(自身を除く): 4211720

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, 1327, 1960, 2654, 5308, 6635, 9289, 10616, 13270, 18578, 26540, 37156, 46445, 53080, 65023, 74312, 92890, 130046, 185780, 260092, 325115, 371560, 520184, 650230, 1300460, 2600920]

約数ペア:

[(1, 2600920), (2, 1300460), (4, 650230), (5, 520184), (7, 371560), (8, 325115), (10, 260092), (14, 185780), (20, 130046), (28, 92890), (35, 74312), (40, 65023), (49, 53080), (56, 46445), (70, 37156), (98, 26540), (140, 18578), (196, 13270), (245, 10616), (280, 9289), (392, 6635), (490, 5308), (980, 2654), (1327, 1960)]