2278889620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1787}}^1\times {\mathrm{9109}}^1$

素因数の和:10912

約数の個数: 48

約数和(自身を含む): 5472996480

約数和(自身を除く): 3194106860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1787, 3574, 7148, 8935, 9109, 12509, 17870, 18218, 25018, 35740, 36436, 45545, 50036, 62545, 63763, 91090, 125090, 127526, 182180, 250180, 255052, 318815, 637630, 1275260, 16277783, 32555566, 65111132, 81388915, 113944481, 162777830, 227888962, 325555660, 455777924, 569722405, 1139444810, 2278889620]

約数ペア:

[(1, 2278889620), (2, 1139444810), (4, 569722405), (5, 455777924), (7, 325555660), (10, 227888962), (14, 162777830), (20, 113944481), (28, 81388915), (35, 65111132), (70, 32555566), (140, 16277783), (1787, 1275260), (3574, 637630), (7148, 318815), (8935, 255052), (9109, 250180), (12509, 182180), (17870, 127526), (18218, 125090), (25018, 91090), (35740, 63763), (36436, 62545), (45545, 50036)]