215339950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 479969280

約数和(自身を除く): 264629330

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 89, 155, 175, 178, 217, 223, 310, 350, 434, 445, 446, 623, 775, 890, 1085, 1115, 1246, 1550, 1561, 2170, 2225, 2230, 2759, 3115, 3122, 4450, 5425, 5518, 5575, 6230, 6913, 7805, 10850, 11150, 13795, 13826, 15575, 15610, 19313, 19847, 27590, 31150, 34565, 38626, 39025, 39694, 48391, 68975, 69130, 78050, 96565, 96782, 99235, 137950, 138929, 172825, 193130, 198470, 241955, 277858, 345650, 482825, 483910, 496175, 615257, 694645, 965650, 992350, 1209775, 1230514, 1389290, 2419550, 3076285, 3473225, 4306799, 6152570, 6946450, 8613598, 15381425, 21533995, 30762850, 43067990, 107669975, 215339950]

約数ペア:

[(1, 215339950), (2, 107669975), (5, 43067990), (7, 30762850), (10, 21533995), (14, 15381425), (25, 8613598), (31, 6946450), (35, 6152570), (50, 4306799), (62, 3473225), (70, 3076285), (89, 2419550), (155, 1389290), (175, 1230514), (178, 1209775), (217, 992350), (223, 965650), (310, 694645), (350, 615257), (434, 496175), (445, 483910), (446, 482825), (623, 345650), (775, 277858), (890, 241955), (1085, 198470), (1115, 193130), (1246, 172825), (1550, 138929), (1561, 137950), (2170, 99235), (2225, 96782), (2230, 96565), (2759, 78050), (3115, 69130), (3122, 68975), (4450, 48391), (5425, 39694), (5518, 39025), (5575, 38626), (6230, 34565), (6913, 31150), (7805, 27590), (10850, 19847), (11150, 19313), (13795, 15610), (13826, 15575)]