2012106580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{839}}^1\times {\mathrm{991}}^1$

素因数の和:1861

約数の個数: 72

約数和(自身を含む): 4654702080

約数和(自身を除く): 2642595500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 839, 991, 1210, 1678, 1982, 2420, 3356, 3964, 4195, 4955, 8390, 9229, 9910, 10901, 16780, 18458, 19820, 21802, 36916, 43604, 46145, 54505, 92290, 101519, 109010, 119911, 184580, 203038, 218020, 239822, 406076, 479644, 507595, 599555, 831449, 1015190, 1199110, 1662898, 2030380, 2398220, 3325796, 4157245, 8314490, 9145939, 16628980, 18291878, 36583756, 45729695, 91459390, 100605329, 182918780, 201210658, 402421316, 503026645, 1006053290, 2012106580]

約数ペア:

[(1, 2012106580), (2, 1006053290), (4, 503026645), (5, 402421316), (10, 201210658), (11, 182918780), (20, 100605329), (22, 91459390), (44, 45729695), (55, 36583756), (110, 18291878), (121, 16628980), (220, 9145939), (242, 8314490), (484, 4157245), (605, 3325796), (839, 2398220), (991, 2030380), (1210, 1662898), (1678, 1199110), (1982, 1015190), (2420, 831449), (3356, 599555), (3964, 507595), (4195, 479644), (4955, 406076), (8390, 239822), (9229, 218020), (9910, 203038), (10901, 184580), (16780, 119911), (18458, 109010), (19820, 101519), (21802, 92290), (36916, 54505), (43604, 46145)]