20110230

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 60450624

約数和(自身を除く): 40340394

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 137, 210, 233, 274, 315, 411, 466, 630, 685, 699, 822, 959, 1165, 1233, 1370, 1398, 1631, 1918, 2055, 2097, 2330, 2466, 2877, 3262, 3495, 4110, 4194, 4795, 4893, 5754, 6165, 6990, 8155, 8631, 9590, 9786, 10485, 12330, 14385, 14679, 16310, 17262, 20970, 24465, 28770, 29358, 31921, 43155, 48930, 63842, 73395, 86310, 95763, 146790, 159605, 191526, 223447, 287289, 319210, 446894, 478815, 574578, 670341, 957630, 1117235, 1340682, 1436445, 2011023, 2234470, 2872890, 3351705, 4022046, 6703410, 10055115, 20110230]

約数ペア:

[(1, 20110230), (2, 10055115), (3, 6703410), (5, 4022046), (6, 3351705), (7, 2872890), (9, 2234470), (10, 2011023), (14, 1436445), (15, 1340682), (18, 1117235), (21, 957630), (30, 670341), (35, 574578), (42, 478815), (45, 446894), (63, 319210), (70, 287289), (90, 223447), (105, 191526), (126, 159605), (137, 146790), (210, 95763), (233, 86310), (274, 73395), (315, 63842), (411, 48930), (466, 43155), (630, 31921), (685, 29358), (699, 28770), (822, 24465), (959, 20970), (1165, 17262), (1233, 16310), (1370, 14679), (1398, 14385), (1631, 12330), (1918, 10485), (2055, 9786), (2097, 9590), (2330, 8631), (2466, 8155), (2877, 6990), (3262, 6165), (3495, 5754), (4110, 4893), (4194, 4795)]