2103995780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2\times {\mathrm{1039}}^1$

素因数の和:1213

約数の個数: 72

約数和(自身を含む): 4720060800

約数和(自身を除く): 2616065020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1039, 1387, 1460, 2078, 2774, 4156, 5195, 5329, 5548, 6935, 10390, 10658, 13870, 19741, 20780, 21316, 26645, 27740, 39482, 53290, 75847, 78964, 98705, 101251, 106580, 151694, 197410, 202502, 303388, 379235, 394820, 405004, 506255, 758470, 1012510, 1441093, 1516940, 2025020, 2882186, 5536831, 5764372, 7205465, 11073662, 14410930, 22147324, 27684155, 28821860, 55368310, 105199789, 110736620, 210399578, 420799156, 525998945, 1051997890, 2103995780]

約数ペア:

[(1, 2103995780), (2, 1051997890), (4, 525998945), (5, 420799156), (10, 210399578), (19, 110736620), (20, 105199789), (38, 55368310), (73, 28821860), (76, 27684155), (95, 22147324), (146, 14410930), (190, 11073662), (292, 7205465), (365, 5764372), (380, 5536831), (730, 2882186), (1039, 2025020), (1387, 1516940), (1460, 1441093), (2078, 1012510), (2774, 758470), (4156, 506255), (5195, 405004), (5329, 394820), (5548, 379235), (6935, 303388), (10390, 202502), (10658, 197410), (13870, 151694), (19741, 106580), (20780, 101251), (21316, 98705), (26645, 78964), (27740, 75847), (39482, 53290)]