340190340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{461}}^1$

素因数の和:738

約数の個数: 144

約数和(自身を含む): 1114876224

約数和(自身を除く): 774685884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 251, 294, 420, 461, 490, 502, 588, 735, 753, 922, 980, 1004, 1255, 1383, 1470, 1506, 1757, 1844, 2305, 2510, 2766, 2940, 3012, 3227, 3514, 3765, 4610, 5020, 5271, 5532, 6454, 6915, 7028, 7530, 8785, 9220, 9681, 10542, 12299, 12908, 13830, 15060, 16135, 17570, 19362, 21084, 22589, 24598, 26355, 27660, 32270, 35140, 36897, 38724, 45178, 48405, 49196, 52710, 61495, 64540, 67767, 73794, 90356, 96810, 105420, 112945, 115711, 122990, 135534, 147588, 184485, 193620, 225890, 231422, 245980, 271068, 338835, 347133, 368970, 451780, 462844, 578555, 677670, 694266, 737940, 809977, 1157110, 1355340, 1388532, 1619954, 1735665, 2314220, 2429931, 3239908, 3471330, 4049885, 4859862, 5669839, 6942660, 8099770, 9719724, 11339678, 12149655, 16199540, 17009517, 22679356, 24299310, 28349195, 34019034, 48598620, 56698390, 68038068, 85047585, 113396780, 170095170, 340190340]

約数ペア:

[(1, 340190340), (2, 170095170), (3, 113396780), (4, 85047585), (5, 68038068), (6, 56698390), (7, 48598620), (10, 34019034), (12, 28349195), (14, 24299310), (15, 22679356), (20, 17009517), (21, 16199540), (28, 12149655), (30, 11339678), (35, 9719724), (42, 8099770), (49, 6942660), (60, 5669839), (70, 4859862), (84, 4049885), (98, 3471330), (105, 3239908), (140, 2429931), (147, 2314220), (196, 1735665), (210, 1619954), (245, 1388532), (251, 1355340), (294, 1157110), (420, 809977), (461, 737940), (490, 694266), (502, 677670), (588, 578555), (735, 462844), (753, 451780), (922, 368970), (980, 347133), (1004, 338835), (1255, 271068), (1383, 245980), (1470, 231422), (1506, 225890), (1757, 193620), (1844, 184485), (2305, 147588), (2510, 135534), (2766, 122990), (2940, 115711), (3012, 112945), (3227, 105420), (3514, 96810), (3765, 90356), (4610, 73794), (5020, 67767), (5271, 64540), (5532, 61495), (6454, 52710), (6915, 49196), (7028, 48405), (7530, 45178), (8785, 38724), (9220, 36897), (9681, 35140), (10542, 32270), (12299, 27660), (12908, 26355), (13830, 24598), (15060, 22589), (16135, 21084), (17570, 19362)]