211208940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61757}}^1$

素因数の和:61791

約数の個数: 72

約数和(自身を含む): 674397360

約数和(自身を除く): 463188420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 61757, 123514, 185271, 247028, 308785, 370542, 555813, 617570, 741084, 926355, 1111626, 1173383, 1235140, 1852710, 2223252, 2346766, 2779065, 3520149, 3705420, 4693532, 5558130, 5866915, 7040298, 10560447, 11116260, 11733830, 14080596, 17600745, 21120894, 23467660, 35201490, 42241788, 52802235, 70402980, 105604470, 211208940]

約数ペア:

[(1, 211208940), (2, 105604470), (3, 70402980), (4, 52802235), (5, 42241788), (6, 35201490), (9, 23467660), (10, 21120894), (12, 17600745), (15, 14080596), (18, 11733830), (19, 11116260), (20, 10560447), (30, 7040298), (36, 5866915), (38, 5558130), (45, 4693532), (57, 3705420), (60, 3520149), (76, 2779065), (90, 2346766), (95, 2223252), (114, 1852710), (171, 1235140), (180, 1173383), (190, 1111626), (228, 926355), (285, 741084), (342, 617570), (380, 555813), (570, 370542), (684, 308785), (855, 247028), (1140, 185271), (1710, 123514), (3420, 61757)]