30003820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19483}}^1$

素因数の和:19510

約数の個数: 48

約数和(自身を含む): 78559488

約数和(自身を除く): 48555668

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 19483, 38966, 77932, 97415, 136381, 194830, 214313, 272762, 389660, 428626, 545524, 681905, 857252, 1071565, 1363810, 1500191, 2143130, 2727620, 3000382, 4286260, 6000764, 7500955, 15001910, 30003820]

約数ペア:

[(1, 30003820), (2, 15001910), (4, 7500955), (5, 6000764), (7, 4286260), (10, 3000382), (11, 2727620), (14, 2143130), (20, 1500191), (22, 1363810), (28, 1071565), (35, 857252), (44, 681905), (55, 545524), (70, 428626), (77, 389660), (110, 272762), (140, 214313), (154, 194830), (220, 136381), (308, 97415), (385, 77932), (770, 38966), (1540, 19483)]