131024460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{311963}}^1$

素因数の和:311982

約数の個数: 48

約数和(自身を含む): 419279616

約数和(自身を除く): 288255156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 311963, 623926, 935889, 1247852, 1559815, 1871778, 2183741, 3119630, 3743556, 4367482, 4679445, 6239260, 6551223, 8734964, 9358890, 10918705, 13102446, 18717780, 21837410, 26204892, 32756115, 43674820, 65512230, 131024460]

約数ペア:

[(1, 131024460), (2, 65512230), (3, 43674820), (4, 32756115), (5, 26204892), (6, 21837410), (7, 18717780), (10, 13102446), (12, 10918705), (14, 9358890), (15, 8734964), (20, 6551223), (21, 6239260), (28, 4679445), (30, 4367482), (35, 3743556), (42, 3119630), (60, 2183741), (70, 1871778), (84, 1559815), (105, 1247852), (140, 935889), (210, 623926), (420, 311963)]