1644772810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{1061}}^1$

素因数の和:1327

約数の個数: 64

約数和(自身を含む): 3211488000

約数和(自身を除く): 1566715190

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 199, 205, 398, 410, 779, 995, 1061, 1558, 1990, 2122, 3781, 3895, 5305, 7562, 7790, 8159, 10610, 16318, 18905, 20159, 37810, 40318, 40795, 43501, 81590, 87002, 100795, 155021, 201590, 211139, 217505, 310042, 422278, 435010, 775105, 826519, 1055695, 1550210, 1653038, 2111390, 4011641, 4132595, 8023282, 8265190, 8656699, 17313398, 20058205, 40116410, 43283495, 86566990, 164477281, 328954562, 822386405, 1644772810]

約数ペア:

[(1, 1644772810), (2, 822386405), (5, 328954562), (10, 164477281), (19, 86566990), (38, 43283495), (41, 40116410), (82, 20058205), (95, 17313398), (190, 8656699), (199, 8265190), (205, 8023282), (398, 4132595), (410, 4011641), (779, 2111390), (995, 1653038), (1061, 1550210), (1558, 1055695), (1990, 826519), (2122, 775105), (3781, 435010), (3895, 422278), (5305, 310042), (7562, 217505), (7790, 211139), (8159, 201590), (10610, 155021), (16318, 100795), (18905, 87002), (20159, 81590), (37810, 43501), (40318, 40795)]