349937480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{829}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 805863600

約数和(自身を除く): 455926120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 173, 244, 305, 346, 488, 610, 692, 829, 865, 1220, 1384, 1658, 1730, 2440, 3316, 3460, 4145, 6632, 6920, 8290, 10553, 16580, 21106, 33160, 42212, 50569, 52765, 84424, 101138, 105530, 143417, 202276, 211060, 252845, 286834, 404552, 422120, 505690, 573668, 717085, 1011380, 1147336, 1434170, 2022760, 2868340, 5736680, 8748437, 17496874, 34993748, 43742185, 69987496, 87484370, 174968740, 349937480]

約数ペア:

[(1, 349937480), (2, 174968740), (4, 87484370), (5, 69987496), (8, 43742185), (10, 34993748), (20, 17496874), (40, 8748437), (61, 5736680), (122, 2868340), (173, 2022760), (244, 1434170), (305, 1147336), (346, 1011380), (488, 717085), (610, 573668), (692, 505690), (829, 422120), (865, 404552), (1220, 286834), (1384, 252845), (1658, 211060), (1730, 202276), (2440, 143417), (3316, 105530), (3460, 101138), (4145, 84424), (6632, 52765), (6920, 50569), (8290, 42212), (10553, 33160), (16580, 21106)]