2912387140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:966

約数の個数: 96

約数和(自身を含む): 6717312000

約数和(自身を除く): 3804924860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 169, 260, 316, 338, 395, 676, 790, 839, 845, 1027, 1580, 1678, 1690, 2054, 2197, 3356, 3380, 4108, 4195, 4394, 5135, 8390, 8788, 10270, 10907, 10985, 13351, 16780, 20540, 21814, 21970, 26702, 43628, 43940, 53404, 54535, 66281, 66755, 109070, 132562, 133510, 141791, 173563, 218140, 265124, 267020, 283582, 331405, 347126, 567164, 662810, 694252, 708955, 861653, 867815, 1325620, 1417910, 1723306, 1735630, 1843283, 2835820, 3446612, 3471260, 3686566, 4308265, 7373132, 8616530, 9216415, 11201489, 17233060, 18432830, 22402978, 36865660, 44805956, 56007445, 112014890, 145619357, 224029780, 291238714, 582477428, 728096785, 1456193570, 2912387140]

約数ペア:

[(1, 2912387140), (2, 1456193570), (4, 728096785), (5, 582477428), (10, 291238714), (13, 224029780), (20, 145619357), (26, 112014890), (52, 56007445), (65, 44805956), (79, 36865660), (130, 22402978), (158, 18432830), (169, 17233060), (260, 11201489), (316, 9216415), (338, 8616530), (395, 7373132), (676, 4308265), (790, 3686566), (839, 3471260), (845, 3446612), (1027, 2835820), (1580, 1843283), (1678, 1735630), (1690, 1723306), (2054, 1417910), (2197, 1325620), (3356, 867815), (3380, 861653), (4108, 708955), (4195, 694252), (4394, 662810), (5135, 567164), (8390, 347126), (8788, 331405), (10270, 283582), (10907, 267020), (10985, 265124), (13351, 218140), (16780, 173563), (20540, 141791), (21814, 133510), (21970, 132562), (26702, 109070), (43628, 66755), (43940, 66281), (53404, 54535)]