381680492540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1\times {\mathrm{540119}}^1$

素因数の和:540614

約数の個数: 48

約数和(自身を含む): 812578132800

約数和(自身を除く): 430897640260

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 397, 445, 794, 890, 1588, 1780, 1985, 3970, 7940, 35333, 70666, 141332, 176665, 353330, 540119, 706660, 1080238, 2160476, 2700595, 5401190, 10802380, 48070591, 96141182, 192282364, 214427243, 240352955, 428854486, 480705910, 857708972, 961411820, 1072136215, 2144272430, 4288544860, 19084024627, 38168049254, 76336098508, 95420123135, 190840246270, 381680492540]

約数ペア:

[(1, 381680492540), (2, 190840246270), (4, 95420123135), (5, 76336098508), (10, 38168049254), (20, 19084024627), (89, 4288544860), (178, 2144272430), (356, 1072136215), (397, 961411820), (445, 857708972), (794, 480705910), (890, 428854486), (1588, 240352955), (1780, 214427243), (1985, 192282364), (3970, 96141182), (7940, 48070591), (35333, 10802380), (70666, 5401190), (141332, 2700595), (176665, 2160476), (353330, 1080238), (540119, 706660)]