1285372220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:244

約数の個数: 192

約数和(自身を含む): 3224309760

約数和(自身を除く): 1938937540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 31, 44, 55, 58, 62, 67, 97, 110, 116, 124, 134, 145, 155, 194, 220, 268, 290, 310, 319, 335, 341, 388, 485, 580, 620, 638, 670, 682, 737, 899, 970, 1067, 1276, 1340, 1364, 1474, 1595, 1705, 1798, 1940, 1943, 2077, 2134, 2813, 2948, 3007, 3190, 3410, 3596, 3685, 3886, 4154, 4268, 4495, 5335, 5626, 6014, 6380, 6499, 6820, 7370, 7772, 8308, 8990, 9715, 9889, 10385, 10670, 11252, 12028, 12998, 14065, 14740, 15035, 17980, 19430, 19778, 20770, 21340, 21373, 22847, 25996, 28130, 30070, 30943, 32495, 33077, 38860, 39556, 41540, 42746, 45694, 49445, 56260, 60140, 60233, 61886, 64990, 66154, 71489, 85492, 87203, 91388, 98890, 106865, 114235, 120466, 123772, 129980, 132308, 142978, 154715, 165385, 174406, 188471, 197780, 201469, 213730, 228470, 240932, 285956, 301165, 309430, 330770, 348812, 357445, 376942, 402938, 427460, 436015, 456940, 602330, 618860, 661540, 662563, 714890, 753884, 805876, 872030, 942355, 959233, 1007345, 1204660, 1325126, 1429780, 1744060, 1884710, 1918466, 2014690, 2073181, 2216159, 2650252, 3312815, 3769420, 3836932, 4029380, 4146362, 4432318, 4796165, 5842601, 6625630, 8292724, 8864636, 9592330, 10365905, 11080795, 11685202, 13251260, 19184660, 20731810, 22161590, 23370404, 29213005, 41463620, 44323180, 58426010, 64268611, 116852020, 128537222, 257074444, 321343055, 642686110, 1285372220]

約数ペア:

[(1, 1285372220), (2, 642686110), (4, 321343055), (5, 257074444), (10, 128537222), (11, 116852020), (20, 64268611), (22, 58426010), (29, 44323180), (31, 41463620), (44, 29213005), (55, 23370404), (58, 22161590), (62, 20731810), (67, 19184660), (97, 13251260), (110, 11685202), (116, 11080795), (124, 10365905), (134, 9592330), (145, 8864636), (155, 8292724), (194, 6625630), (220, 5842601), (268, 4796165), (290, 4432318), (310, 4146362), (319, 4029380), (335, 3836932), (341, 3769420), (388, 3312815), (485, 2650252), (580, 2216159), (620, 2073181), (638, 2014690), (670, 1918466), (682, 1884710), (737, 1744060), (899, 1429780), (970, 1325126), (1067, 1204660), (1276, 1007345), (1340, 959233), (1364, 942355), (1474, 872030), (1595, 805876), (1705, 753884), (1798, 714890), (1940, 662563), (1943, 661540), (2077, 618860), (2134, 602330), (2813, 456940), (2948, 436015), (3007, 427460), (3190, 402938), (3410, 376942), (3596, 357445), (3685, 348812), (3886, 330770), (4154, 309430), (4268, 301165), (4495, 285956), (5335, 240932), (5626, 228470), (6014, 213730), (6380, 201469), (6499, 197780), (6820, 188471), (7370, 174406), (7772, 165385), (8308, 154715), (8990, 142978), (9715, 132308), (9889, 129980), (10385, 123772), (10670, 120466), (11252, 114235), (12028, 106865), (12998, 98890), (14065, 91388), (14740, 87203), (15035, 85492), (17980, 71489), (19430, 66154), (19778, 64990), (20770, 61886), (21340, 60233), (21373, 60140), (22847, 56260), (25996, 49445), (28130, 45694), (30070, 42746), (30943, 41540), (32495, 39556), (33077, 38860)]