214218921020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{311}}^1\times {\mathrm{203789}}^1$

素因数の和:204135

約数の個数: 72

約数和(自身を含む): 488694941280

約数和(自身を除く): 274476020260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 311, 338, 622, 676, 845, 1244, 1555, 1690, 3110, 3380, 4043, 6220, 8086, 16172, 20215, 40430, 52559, 80860, 105118, 203789, 210236, 262795, 407578, 525590, 815156, 1018945, 1051180, 2037890, 2649257, 4075780, 5298514, 10597028, 13246285, 26492570, 34440341, 52985140, 63378379, 68880682, 126756758, 137761364, 172201705, 253513516, 316891895, 344403410, 633783790, 688806820, 823918927, 1267567580, 1647837854, 3295675708, 4119594635, 8239189270, 10710946051, 16478378540, 21421892102, 42843784204, 53554730255, 107109460510, 214218921020]

約数ペア:

[(1, 214218921020), (2, 107109460510), (4, 53554730255), (5, 42843784204), (10, 21421892102), (13, 16478378540), (20, 10710946051), (26, 8239189270), (52, 4119594635), (65, 3295675708), (130, 1647837854), (169, 1267567580), (260, 823918927), (311, 688806820), (338, 633783790), (622, 344403410), (676, 316891895), (845, 253513516), (1244, 172201705), (1555, 137761364), (1690, 126756758), (3110, 68880682), (3380, 63378379), (4043, 52985140), (6220, 34440341), (8086, 26492570), (16172, 13246285), (20215, 10597028), (40430, 5298514), (52559, 4075780), (80860, 2649257), (105118, 2037890), (203789, 1051180), (210236, 1018945), (262795, 815156), (407578, 525590)]