388654370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{1523}}^1$

素因数の和:1707

約数の個数: 48

約数和(自身を含む): 763048512

約数和(自身を除く): 374394142

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 169, 302, 338, 755, 845, 1510, 1523, 1690, 1963, 3046, 3926, 7615, 9815, 15230, 19630, 19799, 25519, 39598, 51038, 98995, 127595, 197990, 229973, 255190, 257387, 459946, 514774, 1149865, 1286935, 2299730, 2573870, 2989649, 5979298, 14948245, 29896490, 38865437, 77730874, 194327185, 388654370]

約数ペア:

[(1, 388654370), (2, 194327185), (5, 77730874), (10, 38865437), (13, 29896490), (26, 14948245), (65, 5979298), (130, 2989649), (151, 2573870), (169, 2299730), (302, 1286935), (338, 1149865), (755, 514774), (845, 459946), (1510, 257387), (1523, 255190), (1690, 229973), (1963, 197990), (3046, 127595), (3926, 98995), (7615, 51038), (9815, 39598), (15230, 25519), (19630, 19799)]