205077400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 543012120

約数和(自身を除く): 337934720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 62, 88, 97, 100, 110, 124, 155, 194, 200, 220, 248, 275, 310, 341, 388, 440, 485, 550, 620, 682, 775, 776, 961, 970, 1067, 1100, 1240, 1364, 1550, 1705, 1922, 1940, 2134, 2200, 2425, 2728, 3007, 3100, 3410, 3844, 3880, 4268, 4805, 4850, 5335, 6014, 6200, 6820, 7688, 8525, 8536, 9610, 9700, 10571, 10670, 12028, 13640, 15035, 17050, 19220, 19400, 21142, 21340, 24025, 24056, 26675, 30070, 33077, 34100, 38440, 42284, 42680, 48050, 52855, 53350, 60140, 66154, 68200, 75175, 84568, 93217, 96100, 105710, 106700, 120280, 132308, 150350, 165385, 186434, 192200, 211420, 213400, 264275, 264616, 300700, 330770, 372868, 422840, 466085, 528550, 601400, 661540, 745736, 826925, 932170, 1025387, 1057100, 1323080, 1653850, 1864340, 2050774, 2114200, 2330425, 3307700, 3728680, 4101548, 4660850, 5126935, 6615400, 8203096, 9321700, 10253870, 18643400, 20507740, 25634675, 41015480, 51269350, 102538700, 205077400]

約数ペア:

[(1, 205077400), (2, 102538700), (4, 51269350), (5, 41015480), (8, 25634675), (10, 20507740), (11, 18643400), (20, 10253870), (22, 9321700), (25, 8203096), (31, 6615400), (40, 5126935), (44, 4660850), (50, 4101548), (55, 3728680), (62, 3307700), (88, 2330425), (97, 2114200), (100, 2050774), (110, 1864340), (124, 1653850), (155, 1323080), (194, 1057100), (200, 1025387), (220, 932170), (248, 826925), (275, 745736), (310, 661540), (341, 601400), (388, 528550), (440, 466085), (485, 422840), (550, 372868), (620, 330770), (682, 300700), (775, 264616), (776, 264275), (961, 213400), (970, 211420), (1067, 192200), (1100, 186434), (1240, 165385), (1364, 150350), (1550, 132308), (1705, 120280), (1922, 106700), (1940, 105710), (2134, 96100), (2200, 93217), (2425, 84568), (2728, 75175), (3007, 68200), (3100, 66154), (3410, 60140), (3844, 53350), (3880, 52855), (4268, 48050), (4805, 42680), (4850, 42284), (5335, 38440), (6014, 34100), (6200, 33077), (6820, 30070), (7688, 26675), (8525, 24056), (8536, 24025), (9610, 21340), (9700, 21142), (10571, 19400), (10670, 19220), (12028, 17050), (13640, 15035)]