2151225370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1\times {\mathrm{571}}^1$

素因数の和:1195

約数の個数: 64

約数和(自身を含む): 4483454976

約数和(自身を除く): 2332229606

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 503, 535, 571, 749, 1006, 1070, 1142, 1498, 2515, 2855, 3521, 3745, 3997, 5030, 5710, 7042, 7490, 7994, 17605, 19985, 35210, 39970, 53821, 61097, 107642, 122194, 269105, 287213, 305485, 376747, 427679, 538210, 574426, 610970, 753494, 855358, 1436065, 1883735, 2010491, 2138395, 2872130, 3767470, 4020982, 4276790, 10052455, 20104910, 30731791, 61463582, 153658955, 215122537, 307317910, 430245074, 1075612685, 2151225370]

約数ペア:

[(1, 2151225370), (2, 1075612685), (5, 430245074), (7, 307317910), (10, 215122537), (14, 153658955), (35, 61463582), (70, 30731791), (107, 20104910), (214, 10052455), (503, 4276790), (535, 4020982), (571, 3767470), (749, 2872130), (1006, 2138395), (1070, 2010491), (1142, 1883735), (1498, 1436065), (2515, 855358), (2855, 753494), (3521, 610970), (3745, 574426), (3997, 538210), (5030, 427679), (5710, 376747), (7042, 305485), (7490, 287213), (7994, 269105), (17605, 122194), (19985, 107642), (35210, 61097), (39970, 53821)]