248954860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{161659}}^1$

素因数の和:161686

約数の個数: 48

約数和(自身を含む): 651813120

約数和(自身を除く): 402858260

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, 161659, 323318, 646636, 808295, 1131613, 1616590, 1778249, 2263226, 3233180, 3556498, 4526452, 5658065, 7112996, 8891245, 11316130, 12447743, 17782490, 22632260, 24895486, 35564980, 49790972, 62238715, 124477430, 248954860]

約数ペア:

[(1, 248954860), (2, 124477430), (4, 62238715), (5, 49790972), (7, 35564980), (10, 24895486), (11, 22632260), (14, 17782490), (20, 12447743), (22, 11316130), (28, 8891245), (35, 7112996), (44, 5658065), (55, 4526452), (70, 3556498), (77, 3233180), (110, 2263226), (140, 1778249), (154, 1616590), (220, 1131613), (308, 808295), (385, 646636), (770, 323318), (1540, 161659)]