349153480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 905748480

約数和(自身を除く): 556595000

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 127, 130, 136, 170, 221, 254, 260, 311, 340, 442, 508, 520, 622, 635, 680, 884, 1016, 1105, 1244, 1270, 1555, 1651, 1768, 2159, 2210, 2488, 2540, 3110, 3302, 4043, 4318, 4420, 5080, 5287, 6220, 6604, 8086, 8255, 8636, 8840, 10574, 10795, 12440, 13208, 16172, 16510, 17272, 20215, 21148, 21590, 26435, 28067, 32344, 33020, 39497, 40430, 42296, 43180, 52870, 56134, 66040, 68731, 78994, 80860, 86360, 105740, 112268, 137462, 140335, 157988, 161720, 197485, 211480, 224536, 274924, 280670, 315976, 343655, 394970, 513461, 549848, 561340, 671449, 687310, 789940, 1026922, 1122680, 1342898, 1374620, 1579880, 2053844, 2567305, 2685796, 2749240, 3357245, 4107688, 5134610, 5371592, 6714490, 8728837, 10269220, 13428980, 17457674, 20538440, 26857960, 34915348, 43644185, 69830696, 87288370, 174576740, 349153480]

約数ペア:

[(1, 349153480), (2, 174576740), (4, 87288370), (5, 69830696), (8, 43644185), (10, 34915348), (13, 26857960), (17, 20538440), (20, 17457674), (26, 13428980), (34, 10269220), (40, 8728837), (52, 6714490), (65, 5371592), (68, 5134610), (85, 4107688), (104, 3357245), (127, 2749240), (130, 2685796), (136, 2567305), (170, 2053844), (221, 1579880), (254, 1374620), (260, 1342898), (311, 1122680), (340, 1026922), (442, 789940), (508, 687310), (520, 671449), (622, 561340), (635, 549848), (680, 513461), (884, 394970), (1016, 343655), (1105, 315976), (1244, 280670), (1270, 274924), (1555, 224536), (1651, 211480), (1768, 197485), (2159, 161720), (2210, 157988), (2488, 140335), (2540, 137462), (3110, 112268), (3302, 105740), (4043, 86360), (4318, 80860), (4420, 78994), (5080, 68731), (5287, 66040), (6220, 56134), (6604, 52870), (8086, 43180), (8255, 42296), (8636, 40430), (8840, 39497), (10574, 33020), (10795, 32344), (12440, 28067), (13208, 26435), (16172, 21590), (16510, 21148), (17272, 20215)]