1691698540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 4300236864

約数和(自身を除く): 2608538324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 71, 82, 98, 140, 142, 164, 196, 205, 245, 284, 287, 355, 410, 490, 497, 574, 593, 710, 820, 980, 994, 1148, 1186, 1420, 1435, 1988, 2009, 2372, 2485, 2870, 2911, 2965, 3479, 4018, 4151, 4970, 5740, 5822, 5930, 6958, 8036, 8302, 9940, 10045, 11644, 11860, 13916, 14555, 16604, 17395, 20090, 20377, 20755, 24313, 29057, 29110, 34790, 40180, 40754, 41510, 42103, 48626, 58114, 58220, 69580, 81508, 83020, 84206, 97252, 101885, 116228, 121565, 142639, 145285, 168412, 170191, 203770, 210515, 243130, 285278, 290570, 294721, 340382, 407540, 421030, 486260, 570556, 581140, 589442, 680764, 713195, 842060, 850955, 1178884, 1191337, 1426390, 1473605, 1701910, 1726223, 2063047, 2382674, 2852780, 2947210, 3403820, 3452446, 4126094, 4765348, 5894420, 5956685, 6904892, 8252188, 8631115, 10315235, 11913370, 12083561, 17262230, 20630470, 23826740, 24167122, 34524460, 41260940, 48334244, 60417805, 84584927, 120835610, 169169854, 241671220, 338339708, 422924635, 845849270, 1691698540]

約数ペア:

[(1, 1691698540), (2, 845849270), (4, 422924635), (5, 338339708), (7, 241671220), (10, 169169854), (14, 120835610), (20, 84584927), (28, 60417805), (35, 48334244), (41, 41260940), (49, 34524460), (70, 24167122), (71, 23826740), (82, 20630470), (98, 17262230), (140, 12083561), (142, 11913370), (164, 10315235), (196, 8631115), (205, 8252188), (245, 6904892), (284, 5956685), (287, 5894420), (355, 4765348), (410, 4126094), (490, 3452446), (497, 3403820), (574, 2947210), (593, 2852780), (710, 2382674), (820, 2063047), (980, 1726223), (994, 1701910), (1148, 1473605), (1186, 1426390), (1420, 1191337), (1435, 1178884), (1988, 850955), (2009, 842060), (2372, 713195), (2485, 680764), (2870, 589442), (2911, 581140), (2965, 570556), (3479, 486260), (4018, 421030), (4151, 407540), (4970, 340382), (5740, 294721), (5822, 290570), (5930, 285278), (6958, 243130), (8036, 210515), (8302, 203770), (9940, 170191), (10045, 168412), (11644, 145285), (11860, 142639), (13916, 121565), (14555, 116228), (16604, 101885), (17395, 97252), (20090, 84206), (20377, 83020), (20755, 81508), (24313, 69580), (29057, 58220), (29110, 58114), (34790, 48626), (40180, 42103), (40754, 41510)]