1259606740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:558

約数の個数: 144

約数和(自身を含む): 3200529024

約数和(自身を除く): 1940922284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 71, 86, 98, 140, 142, 172, 196, 215, 245, 284, 301, 355, 421, 430, 490, 497, 602, 710, 842, 860, 980, 994, 1204, 1420, 1505, 1684, 1988, 2105, 2107, 2485, 2947, 3010, 3053, 3479, 4210, 4214, 4970, 5894, 6020, 6106, 6958, 8420, 8428, 9940, 10535, 11788, 12212, 13916, 14735, 15265, 17395, 18103, 20629, 21070, 21371, 29470, 29891, 30530, 34790, 36206, 41258, 42140, 42742, 58940, 59782, 61060, 69580, 72412, 82516, 85484, 90515, 103145, 106855, 119564, 126721, 149455, 149597, 181030, 206290, 209237, 213710, 253442, 298910, 299194, 362060, 412580, 418474, 427420, 506884, 597820, 598388, 633605, 747985, 836948, 887047, 1046185, 1267210, 1285313, 1464659, 1495970, 1774094, 2092370, 2534420, 2570626, 2929318, 2991940, 3548188, 4184740, 4435235, 5141252, 5858636, 6426565, 7323295, 8870470, 8997191, 12853130, 14646590, 17740940, 17994382, 25706260, 29293180, 35988764, 44985955, 62980337, 89971910, 125960674, 179943820, 251921348, 314901685, 629803370, 1259606740]

約数ペア:

[(1, 1259606740), (2, 629803370), (4, 314901685), (5, 251921348), (7, 179943820), (10, 125960674), (14, 89971910), (20, 62980337), (28, 44985955), (35, 35988764), (43, 29293180), (49, 25706260), (70, 17994382), (71, 17740940), (86, 14646590), (98, 12853130), (140, 8997191), (142, 8870470), (172, 7323295), (196, 6426565), (215, 5858636), (245, 5141252), (284, 4435235), (301, 4184740), (355, 3548188), (421, 2991940), (430, 2929318), (490, 2570626), (497, 2534420), (602, 2092370), (710, 1774094), (842, 1495970), (860, 1464659), (980, 1285313), (994, 1267210), (1204, 1046185), (1420, 887047), (1505, 836948), (1684, 747985), (1988, 633605), (2105, 598388), (2107, 597820), (2485, 506884), (2947, 427420), (3010, 418474), (3053, 412580), (3479, 362060), (4210, 299194), (4214, 298910), (4970, 253442), (5894, 213710), (6020, 209237), (6106, 206290), (6958, 181030), (8420, 149597), (8428, 149455), (9940, 126721), (10535, 119564), (11788, 106855), (12212, 103145), (13916, 90515), (14735, 85484), (15265, 82516), (17395, 72412), (18103, 69580), (20629, 61060), (21070, 59782), (21371, 58940), (29470, 42742), (29891, 42140), (30530, 41258), (34790, 36206)]