419786920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{214177}}^1$

素因数の和:214202

約数の個数: 48

約数和(自身を含む): 1098733140

約数和(自身を除く): 678946220

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, 1960, 214177, 428354, 856708, 1070885, 1499239, 1713416, 2141770, 2998478, 4283540, 5996956, 7496195, 8567080, 10494673, 11993912, 14992390, 20989346, 29984780, 41978692, 52473365, 59969560, 83957384, 104946730, 209893460, 419786920]

約数ペア:

[(1, 419786920), (2, 209893460), (4, 104946730), (5, 83957384), (7, 59969560), (8, 52473365), (10, 41978692), (14, 29984780), (20, 20989346), (28, 14992390), (35, 11993912), (40, 10494673), (49, 8567080), (56, 7496195), (70, 5996956), (98, 4283540), (140, 2998478), (196, 2141770), (245, 1713416), (280, 1499239), (392, 1070885), (490, 856708), (980, 428354), (1960, 214177)]