2749390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 5975424

約数和(自身を除く): 3226034

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 181, 217, 245, 310, 362, 434, 490, 905, 1085, 1267, 1519, 1810, 2170, 2534, 3038, 5611, 6335, 7595, 8869, 11222, 12670, 15190, 17738, 28055, 39277, 44345, 56110, 78554, 88690, 196385, 274939, 392770, 549878, 1374695, 2749390]

約数ペア:

[(1, 2749390), (2, 1374695), (5, 549878), (7, 392770), (10, 274939), (14, 196385), (31, 88690), (35, 78554), (49, 56110), (62, 44345), (70, 39277), (98, 28055), (155, 17738), (181, 15190), (217, 12670), (245, 11222), (310, 8869), (362, 7595), (434, 6335), (490, 5611), (905, 3038), (1085, 2534), (1267, 2170), (1519, 1810)]