2855660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 6549984

約数和(自身を除く): 3694324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 227, 340, 370, 454, 629, 740, 908, 1135, 1258, 2270, 2516, 3145, 3859, 4540, 6290, 7718, 8399, 12580, 15436, 16798, 19295, 33596, 38590, 41995, 77180, 83990, 142783, 167980, 285566, 571132, 713915, 1427830, 2855660]

約数ペア:

[(1, 2855660), (2, 1427830), (4, 713915), (5, 571132), (10, 285566), (17, 167980), (20, 142783), (34, 83990), (37, 77180), (68, 41995), (74, 38590), (85, 33596), (148, 19295), (170, 16798), (185, 15436), (227, 12580), (340, 8399), (370, 7718), (454, 6290), (629, 4540), (740, 3859), (908, 3145), (1135, 2516), (1258, 2270)]