253819720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3583}}^1$

素因数の和:3635

約数の個数: 128

約数和(自身を含む): 743178240

約数和(自身を除く): 489358520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 385, 440, 460, 506, 616, 644, 770, 805, 920, 1012, 1265, 1288, 1540, 1610, 1771, 2024, 2530, 3080, 3220, 3542, 3583, 5060, 6440, 7084, 7166, 8855, 10120, 14168, 14332, 17710, 17915, 25081, 28664, 35420, 35830, 39413, 50162, 70840, 71660, 78826, 82409, 100324, 125405, 143320, 157652, 164818, 197065, 200648, 250810, 275891, 315304, 329636, 394130, 412045, 501620, 551782, 576863, 659272, 788260, 824090, 906499, 1003240, 1103564, 1153726, 1379455, 1576520, 1648180, 1812998, 2207128, 2307452, 2758910, 2884315, 3296360, 3625996, 4532495, 4614904, 5517820, 5768630, 6345493, 7251992, 9064990, 11035640, 11537260, 12690986, 18129980, 23074520, 25381972, 31727465, 36259960, 50763944, 63454930, 126909860, 253819720]

約数ペア:

[(1, 253819720), (2, 126909860), (4, 63454930), (5, 50763944), (7, 36259960), (8, 31727465), (10, 25381972), (11, 23074520), (14, 18129980), (20, 12690986), (22, 11537260), (23, 11035640), (28, 9064990), (35, 7251992), (40, 6345493), (44, 5768630), (46, 5517820), (55, 4614904), (56, 4532495), (70, 3625996), (77, 3296360), (88, 2884315), (92, 2758910), (110, 2307452), (115, 2207128), (140, 1812998), (154, 1648180), (161, 1576520), (184, 1379455), (220, 1153726), (230, 1103564), (253, 1003240), (280, 906499), (308, 824090), (322, 788260), (385, 659272), (440, 576863), (460, 551782), (506, 501620), (616, 412045), (644, 394130), (770, 329636), (805, 315304), (920, 275891), (1012, 250810), (1265, 200648), (1288, 197065), (1540, 164818), (1610, 157652), (1771, 143320), (2024, 125405), (2530, 100324), (3080, 82409), (3220, 78826), (3542, 71660), (3583, 70840), (5060, 50162), (6440, 39413), (7084, 35830), (7166, 35420), (8855, 28664), (10120, 25081), (14168, 17915), (14332, 17710)]