1994804980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{2081}}^1$

素因数の和:2305

約数の個数: 96

約数和(自身を含む): 4936038912

約数和(自身を除く): 2941233932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 167, 205, 287, 334, 410, 574, 668, 820, 835, 1148, 1169, 1435, 1670, 2081, 2338, 2870, 3340, 4162, 4676, 5740, 5845, 6847, 8324, 10405, 11690, 13694, 14567, 20810, 23380, 27388, 29134, 34235, 41620, 47929, 58268, 68470, 72835, 85321, 95858, 136940, 145670, 170642, 191716, 239645, 291340, 341284, 347527, 426605, 479290, 597247, 695054, 853210, 958580, 1194494, 1390108, 1706420, 1737635, 2388988, 2432689, 2986235, 3475270, 4865378, 5972470, 6950540, 9730756, 11944940, 12163445, 14248607, 24326890, 28497214, 48653780, 56994428, 71243035, 99740249, 142486070, 199480498, 284972140, 398960996, 498701245, 997402490, 1994804980]

約数ペア:

[(1, 1994804980), (2, 997402490), (4, 498701245), (5, 398960996), (7, 284972140), (10, 199480498), (14, 142486070), (20, 99740249), (28, 71243035), (35, 56994428), (41, 48653780), (70, 28497214), (82, 24326890), (140, 14248607), (164, 12163445), (167, 11944940), (205, 9730756), (287, 6950540), (334, 5972470), (410, 4865378), (574, 3475270), (668, 2986235), (820, 2432689), (835, 2388988), (1148, 1737635), (1169, 1706420), (1435, 1390108), (1670, 1194494), (2081, 958580), (2338, 853210), (2870, 695054), (3340, 597247), (4162, 479290), (4676, 426605), (5740, 347527), (5845, 341284), (6847, 291340), (8324, 239645), (10405, 191716), (11690, 170642), (13694, 145670), (14567, 136940), (20810, 95858), (23380, 85321), (27388, 72835), (29134, 68470), (34235, 58268), (41620, 47929)]