123468940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{13163}}^1$

素因数の和:13246

約数の個数: 48

約数和(自身を含む): 300771072

約数和(自身を除く): 177302132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 13163, 26326, 52652, 65815, 92141, 131630, 184282, 263260, 368564, 460705, 881921, 921410, 1763842, 1842820, 3527684, 4409605, 6173447, 8819210, 12346894, 17638420, 24693788, 30867235, 61734470, 123468940]

約数ペア:

[(1, 123468940), (2, 61734470), (4, 30867235), (5, 24693788), (7, 17638420), (10, 12346894), (14, 8819210), (20, 6173447), (28, 4409605), (35, 3527684), (67, 1842820), (70, 1763842), (134, 921410), (140, 881921), (268, 460705), (335, 368564), (469, 263260), (670, 184282), (938, 131630), (1340, 92141), (1876, 65815), (2345, 52652), (4690, 26326), (9380, 13163)]