202181660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 459705456

約数和(自身を除く): 257523796

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 361, 380, 410, 683, 722, 779, 820, 1366, 1444, 1558, 1805, 2732, 3116, 3415, 3610, 3895, 6830, 7220, 7790, 12977, 13660, 14801, 15580, 25954, 28003, 29602, 51908, 56006, 59204, 64885, 74005, 112012, 129770, 140015, 148010, 246563, 259540, 280030, 296020, 493126, 532057, 560060, 986252, 1064114, 1232815, 2128228, 2465630, 2660285, 4931260, 5320570, 10109083, 10641140, 20218166, 40436332, 50545415, 101090830, 202181660]

約数ペア:

[(1, 202181660), (2, 101090830), (4, 50545415), (5, 40436332), (10, 20218166), (19, 10641140), (20, 10109083), (38, 5320570), (41, 4931260), (76, 2660285), (82, 2465630), (95, 2128228), (164, 1232815), (190, 1064114), (205, 986252), (361, 560060), (380, 532057), (410, 493126), (683, 296020), (722, 280030), (779, 259540), (820, 246563), (1366, 148010), (1444, 140015), (1558, 129770), (1805, 112012), (2732, 74005), (3116, 64885), (3415, 59204), (3610, 56006), (3895, 51908), (6830, 29602), (7220, 28003), (7790, 25954), (12977, 15580), (13660, 14801)]