28723100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1$

素因数の和:1167

約数の個数: 72

約数和(自身を含む): 73224480

約数和(自身を除く): 44501380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 50, 70, 74, 100, 140, 148, 175, 185, 259, 350, 370, 518, 700, 740, 925, 1036, 1109, 1295, 1850, 2218, 2590, 3700, 4436, 5180, 5545, 6475, 7763, 11090, 12950, 15526, 22180, 25900, 27725, 31052, 38815, 41033, 55450, 77630, 82066, 110900, 155260, 164132, 194075, 205165, 287231, 388150, 410330, 574462, 776300, 820660, 1025825, 1148924, 1436155, 2051650, 2872310, 4103300, 5744620, 7180775, 14361550, 28723100]

約数ペア:

[(1, 28723100), (2, 14361550), (4, 7180775), (5, 5744620), (7, 4103300), (10, 2872310), (14, 2051650), (20, 1436155), (25, 1148924), (28, 1025825), (35, 820660), (37, 776300), (50, 574462), (70, 410330), (74, 388150), (100, 287231), (140, 205165), (148, 194075), (175, 164132), (185, 155260), (259, 110900), (350, 82066), (370, 77630), (518, 55450), (700, 41033), (740, 38815), (925, 31052), (1036, 27725), (1109, 25900), (1295, 22180), (1850, 15526), (2218, 12950), (2590, 11090), (3700, 7763), (4436, 6475), (5180, 5545)]