905897200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:276

約数の個数: 240

約数和(自身を含む): 2528275680

約数和(自身を除く): 1622378480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 50, 52, 53, 65, 76, 80, 95, 100, 104, 106, 130, 152, 173, 190, 200, 208, 212, 247, 260, 265, 304, 325, 346, 380, 400, 424, 475, 494, 520, 530, 650, 689, 692, 760, 848, 865, 950, 988, 1007, 1040, 1060, 1235, 1300, 1325, 1378, 1384, 1520, 1730, 1900, 1976, 2014, 2120, 2249, 2470, 2600, 2650, 2756, 2768, 3287, 3445, 3460, 3800, 3952, 4028, 4240, 4325, 4498, 4940, 5035, 5200, 5300, 5512, 6175, 6574, 6890, 6920, 7600, 8056, 8650, 8996, 9169, 9880, 10070, 10600, 11024, 11245, 12350, 13091, 13148, 13780, 13840, 16112, 16435, 17225, 17300, 17992, 18338, 19760, 20140, 21200, 22490, 24700, 25175, 26182, 26296, 27560, 32870, 34450, 34600, 35984, 36676, 40280, 42731, 44980, 45845, 49400, 50350, 52364, 52592, 55120, 56225, 65455, 65740, 68900, 69200, 73352, 80560, 82175, 85462, 89960, 91690, 98800, 100700, 104728, 112450, 119197, 130910, 131480, 137800, 146704, 164350, 170924, 174211, 179920, 183380, 201400, 209456, 213655, 224900, 229225, 238394, 261820, 262960, 275600, 327275, 328700, 341848, 348422, 366760, 402800, 427310, 449800, 458450, 476788, 523640, 595985, 654550, 657400, 683696, 696844, 733520, 854620, 871055, 899600, 916900, 953576, 1047280, 1068275, 1191970, 1309100, 1314800, 1393688, 1709240, 1742110, 1833800, 1907152, 2136550, 2264743, 2383940, 2618200, 2787376, 2979925, 3418480, 3484220, 3667600, 4273100, 4355275, 4529486, 4767880, 5236400, 5959850, 6968440, 8546200, 8710550, 9058972, 9535760, 11323715, 11919700, 13936880, 17092400, 17421100, 18117944, 22647430, 23839400, 34842200, 36235888, 45294860, 47678800, 56618575, 69684400, 90589720, 113237150, 181179440, 226474300, 452948600, 905897200]

約数ペア:

[(1, 905897200), (2, 452948600), (4, 226474300), (5, 181179440), (8, 113237150), (10, 90589720), (13, 69684400), (16, 56618575), (19, 47678800), (20, 45294860), (25, 36235888), (26, 34842200), (38, 23839400), (40, 22647430), (50, 18117944), (52, 17421100), (53, 17092400), (65, 13936880), (76, 11919700), (80, 11323715), (95, 9535760), (100, 9058972), (104, 8710550), (106, 8546200), (130, 6968440), (152, 5959850), (173, 5236400), (190, 4767880), (200, 4529486), (208, 4355275), (212, 4273100), (247, 3667600), (260, 3484220), (265, 3418480), (304, 2979925), (325, 2787376), (346, 2618200), (380, 2383940), (400, 2264743), (424, 2136550), (475, 1907152), (494, 1833800), (520, 1742110), (530, 1709240), (650, 1393688), (689, 1314800), (692, 1309100), (760, 1191970), (848, 1068275), (865, 1047280), (950, 953576), (988, 916900), (1007, 899600), (1040, 871055), (1060, 854620), (1235, 733520), (1300, 696844), (1325, 683696), (1378, 657400), (1384, 654550), (1520, 595985), (1730, 523640), (1900, 476788), (1976, 458450), (2014, 449800), (2120, 427310), (2249, 402800), (2470, 366760), (2600, 348422), (2650, 341848), (2756, 328700), (2768, 327275), (3287, 275600), (3445, 262960), (3460, 261820), (3800, 238394), (3952, 229225), (4028, 224900), (4240, 213655), (4325, 209456), (4498, 201400), (4940, 183380), (5035, 179920), (5200, 174211), (5300, 170924), (5512, 164350), (6175, 146704), (6574, 137800), (6890, 131480), (6920, 130910), (7600, 119197), (8056, 112450), (8650, 104728), (8996, 100700), (9169, 98800), (9880, 91690), (10070, 89960), (10600, 85462), (11024, 82175), (11245, 80560), (12350, 73352), (13091, 69200), (13148, 68900), (13780, 65740), (13840, 65455), (16112, 56225), (16435, 55120), (17225, 52592), (17300, 52364), (17992, 50350), (18338, 49400), (19760, 45845), (20140, 44980), (21200, 42731), (22490, 40280), (24700, 36676), (25175, 35984), (26182, 34600), (26296, 34450), (27560, 32870)]