66628700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 153740160

約数和(自身を除く): 87111460

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 59, 92, 100, 115, 118, 230, 236, 295, 460, 491, 575, 590, 982, 1150, 1180, 1357, 1475, 1964, 2300, 2455, 2714, 2950, 4910, 5428, 5900, 6785, 9820, 11293, 12275, 13570, 22586, 24550, 27140, 28969, 33925, 45172, 49100, 56465, 57938, 67850, 112930, 115876, 135700, 144845, 225860, 282325, 289690, 564650, 579380, 666287, 724225, 1129300, 1332574, 1448450, 2665148, 2896900, 3331435, 6662870, 13325740, 16657175, 33314350, 66628700]

約数ペア:

[(1, 66628700), (2, 33314350), (4, 16657175), (5, 13325740), (10, 6662870), (20, 3331435), (23, 2896900), (25, 2665148), (46, 1448450), (50, 1332574), (59, 1129300), (92, 724225), (100, 666287), (115, 579380), (118, 564650), (230, 289690), (236, 282325), (295, 225860), (460, 144845), (491, 135700), (575, 115876), (590, 112930), (982, 67850), (1150, 57938), (1180, 56465), (1357, 49100), (1475, 45172), (1964, 33925), (2300, 28969), (2455, 27140), (2714, 24550), (2950, 22586), (4910, 13570), (5428, 12275), (5900, 11293), (6785, 9820)]