2008387400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{27817}}^1$

素因数の和:27871

約数の個数: 72

約数和(自身を含む): 4928375970

約数和(自身を除く): 2919988570

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 361, 380, 475, 722, 760, 950, 1444, 1805, 1900, 2888, 3610, 3800, 7220, 9025, 14440, 18050, 27817, 36100, 55634, 72200, 111268, 139085, 222536, 278170, 528523, 556340, 695425, 1057046, 1112680, 1390850, 2114092, 2642615, 2781700, 4228184, 5285230, 5563400, 10041937, 10570460, 13213075, 20083874, 21140920, 26426150, 40167748, 50209685, 52852300, 80335496, 100419370, 105704600, 200838740, 251048425, 401677480, 502096850, 1004193700, 2008387400]

約数ペア:

[(1, 2008387400), (2, 1004193700), (4, 502096850), (5, 401677480), (8, 251048425), (10, 200838740), (19, 105704600), (20, 100419370), (25, 80335496), (38, 52852300), (40, 50209685), (50, 40167748), (76, 26426150), (95, 21140920), (100, 20083874), (152, 13213075), (190, 10570460), (200, 10041937), (361, 5563400), (380, 5285230), (475, 4228184), (722, 2781700), (760, 2642615), (950, 2114092), (1444, 1390850), (1805, 1112680), (1900, 1057046), (2888, 695425), (3610, 556340), (3800, 528523), (7220, 278170), (9025, 222536), (14440, 139085), (18050, 111268), (27817, 72200), (36100, 55634)]