2783259640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{733}}^1$

素因数の和:1013

約数の個数: 128

約数和(自身を含む): 7305707520

約数和(自身を除く): 4522447880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 191, 280, 284, 355, 382, 497, 568, 710, 733, 764, 955, 994, 1337, 1420, 1466, 1528, 1910, 1988, 2485, 2674, 2840, 2932, 3665, 3820, 3976, 4970, 5131, 5348, 5864, 6685, 7330, 7640, 9940, 10262, 10696, 13370, 13561, 14660, 19880, 20524, 25655, 26740, 27122, 29320, 41048, 51310, 52043, 53480, 54244, 67805, 94927, 102620, 104086, 108488, 135610, 140003, 189854, 205240, 208172, 260215, 271220, 280006, 364301, 379708, 416344, 474635, 520430, 542440, 560012, 700015, 728602, 759416, 949270, 980021, 1040860, 1120024, 1400030, 1457204, 1821505, 1898540, 1960042, 2081720, 2800060, 2914408, 3643010, 3797080, 3920084, 4900105, 5600120, 7286020, 7840168, 9800210, 9940213, 14572040, 19600420, 19880426, 39200840, 39760852, 49701065, 69581491, 79521704, 99402130, 139162982, 198804260, 278325964, 347907455, 397608520, 556651928, 695814910, 1391629820, 2783259640]

約数ペア:

[(1, 2783259640), (2, 1391629820), (4, 695814910), (5, 556651928), (7, 397608520), (8, 347907455), (10, 278325964), (14, 198804260), (20, 139162982), (28, 99402130), (35, 79521704), (40, 69581491), (56, 49701065), (70, 39760852), (71, 39200840), (140, 19880426), (142, 19600420), (191, 14572040), (280, 9940213), (284, 9800210), (355, 7840168), (382, 7286020), (497, 5600120), (568, 4900105), (710, 3920084), (733, 3797080), (764, 3643010), (955, 2914408), (994, 2800060), (1337, 2081720), (1420, 1960042), (1466, 1898540), (1528, 1821505), (1910, 1457204), (1988, 1400030), (2485, 1120024), (2674, 1040860), (2840, 980021), (2932, 949270), (3665, 759416), (3820, 728602), (3976, 700015), (4970, 560012), (5131, 542440), (5348, 520430), (5864, 474635), (6685, 416344), (7330, 379708), (7640, 364301), (9940, 280006), (10262, 271220), (10696, 260215), (13370, 208172), (13561, 205240), (14660, 189854), (19880, 140003), (20524, 135610), (25655, 108488), (26740, 104086), (27122, 102620), (29320, 94927), (41048, 67805), (51310, 54244), (52043, 53480)]