1371400940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:392

約数の個数: 192

約数和(自身を含む): 3709009920

約数和(自身を除く): 2337608980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 109, 124, 130, 140, 155, 182, 217, 218, 223, 260, 310, 364, 403, 434, 436, 446, 455, 545, 620, 763, 806, 868, 892, 910, 1085, 1090, 1115, 1417, 1526, 1561, 1612, 1820, 2015, 2170, 2180, 2230, 2821, 2834, 2899, 3052, 3122, 3379, 3815, 4030, 4340, 4460, 5642, 5668, 5798, 6244, 6758, 6913, 7085, 7630, 7805, 8060, 9919, 11284, 11596, 13516, 13826, 14105, 14170, 14495, 15260, 15610, 16895, 19838, 20293, 23653, 24307, 27652, 28210, 28340, 28990, 31220, 33790, 34565, 39676, 40586, 43927, 47306, 48391, 48614, 49595, 56420, 57980, 67580, 69130, 81172, 87854, 89869, 94612, 96782, 97228, 99190, 101465, 118265, 121535, 138260, 170149, 175708, 179738, 193564, 198380, 202930, 219635, 236530, 241955, 243070, 307489, 315991, 340298, 359476, 405860, 439270, 449345, 473060, 483910, 486140, 614978, 629083, 631982, 680596, 753517, 850745, 878540, 898690, 967820, 1229956, 1258166, 1263964, 1507034, 1537445, 1579955, 1701490, 1797380, 2211937, 2516332, 3014068, 3074890, 3145415, 3159910, 3402980, 3767585, 4423874, 5274619, 6149780, 6290830, 6319820, 7535170, 8847748, 9795721, 10549238, 11059685, 12581660, 15070340, 19591442, 21098476, 22119370, 26373095, 39182884, 44238740, 48978605, 52746190, 68570047, 97957210, 105492380, 137140094, 195914420, 274280188, 342850235, 685700470, 1371400940]

約数ペア:

[(1, 1371400940), (2, 685700470), (4, 342850235), (5, 274280188), (7, 195914420), (10, 137140094), (13, 105492380), (14, 97957210), (20, 68570047), (26, 52746190), (28, 48978605), (31, 44238740), (35, 39182884), (52, 26373095), (62, 22119370), (65, 21098476), (70, 19591442), (91, 15070340), (109, 12581660), (124, 11059685), (130, 10549238), (140, 9795721), (155, 8847748), (182, 7535170), (217, 6319820), (218, 6290830), (223, 6149780), (260, 5274619), (310, 4423874), (364, 3767585), (403, 3402980), (434, 3159910), (436, 3145415), (446, 3074890), (455, 3014068), (545, 2516332), (620, 2211937), (763, 1797380), (806, 1701490), (868, 1579955), (892, 1537445), (910, 1507034), (1085, 1263964), (1090, 1258166), (1115, 1229956), (1417, 967820), (1526, 898690), (1561, 878540), (1612, 850745), (1820, 753517), (2015, 680596), (2170, 631982), (2180, 629083), (2230, 614978), (2821, 486140), (2834, 483910), (2899, 473060), (3052, 449345), (3122, 439270), (3379, 405860), (3815, 359476), (4030, 340298), (4340, 315991), (4460, 307489), (5642, 243070), (5668, 241955), (5798, 236530), (6244, 219635), (6758, 202930), (6913, 198380), (7085, 193564), (7630, 179738), (7805, 175708), (8060, 170149), (9919, 138260), (11284, 121535), (11596, 118265), (13516, 101465), (13826, 99190), (14105, 97228), (14170, 96782), (14495, 94612), (15260, 89869), (15610, 87854), (16895, 81172), (19838, 69130), (20293, 67580), (23653, 57980), (24307, 56420), (27652, 49595), (28210, 48614), (28340, 48391), (28990, 47306), (31220, 43927), (33790, 40586), (34565, 39676)]