28242100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 66792600

約数和(自身を除く): 38550500

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 37, 50, 68, 74, 85, 100, 148, 170, 185, 340, 370, 425, 449, 629, 740, 850, 898, 925, 1258, 1700, 1796, 1850, 2245, 2516, 3145, 3700, 4490, 6290, 7633, 8980, 11225, 12580, 15266, 15725, 16613, 22450, 30532, 31450, 33226, 38165, 44900, 62900, 66452, 76330, 83065, 152660, 166130, 190825, 282421, 332260, 381650, 415325, 564842, 763300, 830650, 1129684, 1412105, 1661300, 2824210, 5648420, 7060525, 14121050, 28242100]

約数ペア:

[(1, 28242100), (2, 14121050), (4, 7060525), (5, 5648420), (10, 2824210), (17, 1661300), (20, 1412105), (25, 1129684), (34, 830650), (37, 763300), (50, 564842), (68, 415325), (74, 381650), (85, 332260), (100, 282421), (148, 190825), (170, 166130), (185, 152660), (340, 83065), (370, 76330), (425, 66452), (449, 62900), (629, 44900), (740, 38165), (850, 33226), (898, 31450), (925, 30532), (1258, 22450), (1700, 16613), (1796, 15725), (1850, 15266), (2245, 12580), (2516, 11225), (3145, 8980), (3700, 7633), (4490, 6290)]