399615570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193051}}^1$

素因数の和:193087

約数の個数: 48

約数和(自身を含む): 1084180032

約数和(自身を除く): 684564462

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 193051, 386102, 579153, 965255, 1158306, 1737459, 1930510, 2895765, 3474918, 4440173, 5791530, 8687295, 8880346, 13320519, 17374590, 22200865, 26641038, 39961557, 44401730, 66602595, 79923114, 133205190, 199807785, 399615570]

約数ペア:

[(1, 399615570), (2, 199807785), (3, 133205190), (5, 79923114), (6, 66602595), (9, 44401730), (10, 39961557), (15, 26641038), (18, 22200865), (23, 17374590), (30, 13320519), (45, 8880346), (46, 8687295), (69, 5791530), (90, 4440173), (115, 3474918), (138, 2895765), (207, 1930510), (230, 1737459), (345, 1158306), (414, 965255), (690, 579153), (1035, 386102), (2070, 193051)]