998182640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4423}}^1$

素因数の和:4487

約数の個数: 160

約数和(自身を含む): 2949144576

約数和(自身を除く): 1950961936

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2480, 2821, 3224, 3472, 3640, 4030, 4340, 4423, 5642, 6448, 7280, 8060, 8680, 8846, 11284, 14105, 16120, 17360, 17692, 22115, 22568, 28210, 30961, 32240, 35384, 44230, 45136, 56420, 57499, 61922, 70768, 88460, 112840, 114998, 123844, 137113, 154805, 176920, 225680, 229996, 247688, 274226, 287495, 309610, 353840, 402493, 459992, 495376, 548452, 574990, 619220, 685565, 804986, 919984, 959791, 1096904, 1149980, 1238440, 1371130, 1609972, 1782469, 1919582, 2012465, 2193808, 2299960, 2476880, 2742260, 3219944, 3564938, 3839164, 4024930, 4599920, 4798955, 5484520, 6439888, 7129876, 7678328, 8049860, 8912345, 9597910, 10969040, 12477283, 14259752, 15356656, 16099720, 17824690, 19195820, 24954566, 28519504, 32199440, 35649380, 38391640, 49909132, 62386415, 71298760, 76783280, 99818264, 124772830, 142597520, 199636528, 249545660, 499091320, 998182640]

約数ペア:

[(1, 998182640), (2, 499091320), (4, 249545660), (5, 199636528), (7, 142597520), (8, 124772830), (10, 99818264), (13, 76783280), (14, 71298760), (16, 62386415), (20, 49909132), (26, 38391640), (28, 35649380), (31, 32199440), (35, 28519504), (40, 24954566), (52, 19195820), (56, 17824690), (62, 16099720), (65, 15356656), (70, 14259752), (80, 12477283), (91, 10969040), (104, 9597910), (112, 8912345), (124, 8049860), (130, 7678328), (140, 7129876), (155, 6439888), (182, 5484520), (208, 4798955), (217, 4599920), (248, 4024930), (260, 3839164), (280, 3564938), (310, 3219944), (364, 2742260), (403, 2476880), (434, 2299960), (455, 2193808), (496, 2012465), (520, 1919582), (560, 1782469), (620, 1609972), (728, 1371130), (806, 1238440), (868, 1149980), (910, 1096904), (1040, 959791), (1085, 919984), (1240, 804986), (1456, 685565), (1612, 619220), (1736, 574990), (1820, 548452), (2015, 495376), (2170, 459992), (2480, 402493), (2821, 353840), (3224, 309610), (3472, 287495), (3640, 274226), (4030, 247688), (4340, 229996), (4423, 225680), (5642, 176920), (6448, 154805), (7280, 137113), (8060, 123844), (8680, 114998), (8846, 112840), (11284, 88460), (14105, 70768), (16120, 61922), (17360, 57499), (17692, 56420), (22115, 45136), (22568, 44230), (28210, 35384), (30961, 32240)]