2788045100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{1549}}^1$

素因数の和:2043

約数の個数: 72

約数和(自身を含む): 6215748000

約数和(自身を除く): 3427702900

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 439, 820, 878, 1025, 1549, 1756, 2050, 2195, 3098, 4100, 4390, 6196, 7745, 8780, 10975, 15490, 17999, 21950, 30980, 35998, 38725, 43900, 63509, 71996, 77450, 89995, 127018, 154900, 179990, 254036, 317545, 359980, 449975, 635090, 680011, 899950, 1270180, 1360022, 1587725, 1799900, 2720044, 3175450, 3400055, 6350900, 6800110, 13600220, 17000275, 27880451, 34000550, 55760902, 68001100, 111521804, 139402255, 278804510, 557609020, 697011275, 1394022550, 2788045100]

約数ペア:

[(1, 2788045100), (2, 1394022550), (4, 697011275), (5, 557609020), (10, 278804510), (20, 139402255), (25, 111521804), (41, 68001100), (50, 55760902), (82, 34000550), (100, 27880451), (164, 17000275), (205, 13600220), (410, 6800110), (439, 6350900), (820, 3400055), (878, 3175450), (1025, 2720044), (1549, 1799900), (1756, 1587725), (2050, 1360022), (2195, 1270180), (3098, 899950), (4100, 680011), (4390, 635090), (6196, 449975), (7745, 359980), (8780, 317545), (10975, 254036), (15490, 179990), (17999, 154900), (21950, 127018), (30980, 89995), (35998, 77450), (38725, 71996), (43900, 63509)]