4431940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 9979200

約数和(自身を除く): 5547260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 109, 190, 214, 218, 380, 428, 436, 535, 545, 1070, 1090, 2033, 2071, 2140, 2180, 4066, 4142, 8132, 8284, 10165, 10355, 11663, 20330, 20710, 23326, 40660, 41420, 46652, 58315, 116630, 221597, 233260, 443194, 886388, 1107985, 2215970, 4431940]

約数ペア:

[(1, 4431940), (2, 2215970), (4, 1107985), (5, 886388), (10, 443194), (19, 233260), (20, 221597), (38, 116630), (76, 58315), (95, 46652), (107, 41420), (109, 40660), (190, 23326), (214, 20710), (218, 20330), (380, 11663), (428, 10355), (436, 10165), (535, 8284), (545, 8132), (1070, 4142), (1090, 4066), (2033, 2180), (2071, 2140)]