254667140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8231}}^1$

素因数の和:8277

約数の個数: 96

約数和(自身を含む): 697019904

約数和(自身を除く): 442352764

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 1105, 1190, 1547, 1820, 2210, 2380, 3094, 4420, 6188, 7735, 8231, 15470, 16462, 30940, 32924, 41155, 57617, 82310, 107003, 115234, 139927, 164620, 214006, 230468, 279854, 288085, 428012, 535015, 559708, 576170, 699635, 749021, 979489, 1070030, 1152340, 1399270, 1498042, 1819051, 1958978, 2140060, 2798540, 2996084, 3638102, 3745105, 3917956, 4897445, 7276204, 7490210, 9095255, 9794890, 12733357, 14980420, 18190510, 19589780, 25466714, 36381020, 50933428, 63666785, 127333570, 254667140]

約数ペア:

[(1, 254667140), (2, 127333570), (4, 63666785), (5, 50933428), (7, 36381020), (10, 25466714), (13, 19589780), (14, 18190510), (17, 14980420), (20, 12733357), (26, 9794890), (28, 9095255), (34, 7490210), (35, 7276204), (52, 4897445), (65, 3917956), (68, 3745105), (70, 3638102), (85, 2996084), (91, 2798540), (119, 2140060), (130, 1958978), (140, 1819051), (170, 1498042), (182, 1399270), (221, 1152340), (238, 1070030), (260, 979489), (340, 749021), (364, 699635), (442, 576170), (455, 559708), (476, 535015), (595, 428012), (884, 288085), (910, 279854), (1105, 230468), (1190, 214006), (1547, 164620), (1820, 139927), (2210, 115234), (2380, 107003), (3094, 82310), (4420, 57617), (6188, 41155), (7735, 32924), (8231, 30940), (15470, 16462)]