27950120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 69249600

約数和(自身を除く): 41299480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 457, 556, 695, 914, 1112, 1390, 1529, 1828, 2285, 2780, 3058, 3656, 4570, 5027, 5560, 6116, 7645, 9140, 10054, 12232, 15290, 18280, 20108, 25135, 30580, 40216, 50270, 61160, 63523, 100540, 127046, 201080, 254092, 317615, 508184, 635230, 698753, 1270460, 1397506, 2540920, 2795012, 3493765, 5590024, 6987530, 13975060, 27950120]

約数ペア:

[(1, 27950120), (2, 13975060), (4, 6987530), (5, 5590024), (8, 3493765), (10, 2795012), (11, 2540920), (20, 1397506), (22, 1270460), (40, 698753), (44, 635230), (55, 508184), (88, 317615), (110, 254092), (139, 201080), (220, 127046), (278, 100540), (440, 63523), (457, 61160), (556, 50270), (695, 40216), (914, 30580), (1112, 25135), (1390, 20108), (1529, 18280), (1828, 15290), (2285, 12232), (2780, 10054), (3058, 9140), (3656, 7645), (4570, 6116), (5027, 5560)]