2105996940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{191803}}^1$

素因数の和:191879

約数の個数: 72

約数和(自身を含む): 6492949008

約数和(自身を除く): 4386952068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 191803, 383606, 575409, 767212, 959015, 1150818, 1726227, 1918030, 2301636, 2877045, 3452454, 3836060, 5754090, 6904908, 8631135, 11508180, 11699983, 17262270, 23399966, 34524540, 35099949, 46799932, 58499915, 70199898, 105299847, 116999830, 140399796, 175499745, 210599694, 233999660, 350999490, 421199388, 526499235, 701998980, 1052998470, 2105996940]

約数ペア:

[(1, 2105996940), (2, 1052998470), (3, 701998980), (4, 526499235), (5, 421199388), (6, 350999490), (9, 233999660), (10, 210599694), (12, 175499745), (15, 140399796), (18, 116999830), (20, 105299847), (30, 70199898), (36, 58499915), (45, 46799932), (60, 35099949), (61, 34524540), (90, 23399966), (122, 17262270), (180, 11699983), (183, 11508180), (244, 8631135), (305, 6904908), (366, 5754090), (549, 3836060), (610, 3452454), (732, 2877045), (915, 2301636), (1098, 1918030), (1220, 1726227), (1830, 1150818), (2196, 959015), (2745, 767212), (3660, 575409), (5490, 383606), (10980, 191803)]