2100081500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 192

約数和(自身を含む): 5239503360

約数和(自身を除く): 3139421860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 67, 82, 100, 110, 125, 134, 139, 164, 205, 220, 250, 268, 275, 278, 335, 410, 451, 500, 550, 556, 670, 695, 737, 820, 902, 1025, 1100, 1340, 1375, 1390, 1474, 1529, 1675, 1804, 2050, 2255, 2747, 2750, 2780, 2948, 3058, 3350, 3475, 3685, 4100, 4510, 5125, 5494, 5500, 5699, 6116, 6700, 6950, 7370, 7645, 8375, 9020, 9313, 10250, 10988, 11275, 11398, 13735, 13900, 14740, 15290, 16750, 17375, 18425, 18626, 20500, 22550, 22796, 27470, 28495, 30217, 30580, 33500, 34750, 36850, 37252, 38225, 45100, 46565, 54940, 56375, 56990, 60434, 62689, 68675, 69500, 73700, 76450, 92125, 93130, 102443, 112750, 113980, 120868, 125378, 137350, 142475, 151085, 152900, 184250, 186260, 191125, 204886, 225500, 232825, 250756, 274700, 284950, 302170, 313445, 343375, 368500, 381833, 382250, 409772, 465650, 512215, 569900, 604340, 626890, 686750, 712375, 755425, 763666, 764500, 931300, 1024430, 1164125, 1253780, 1373500, 1424750, 1510850, 1527332, 1567225, 1909165, 2048860, 2328250, 2561075, 2849500, 3021700, 3134450, 3777125, 3818330, 4200163, 4656500, 5122150, 6268900, 7554250, 7636660, 7836125, 8400326, 9545825, 10244300, 12805375, 15108500, 15672250, 16800652, 19091650, 21000815, 25610750, 31344500, 38183300, 42001630, 47729125, 51221500, 84003260, 95458250, 105004075, 190916500, 210008150, 420016300, 525020375, 1050040750, 2100081500]

約数ペア:

[(1, 2100081500), (2, 1050040750), (4, 525020375), (5, 420016300), (10, 210008150), (11, 190916500), (20, 105004075), (22, 95458250), (25, 84003260), (41, 51221500), (44, 47729125), (50, 42001630), (55, 38183300), (67, 31344500), (82, 25610750), (100, 21000815), (110, 19091650), (125, 16800652), (134, 15672250), (139, 15108500), (164, 12805375), (205, 10244300), (220, 9545825), (250, 8400326), (268, 7836125), (275, 7636660), (278, 7554250), (335, 6268900), (410, 5122150), (451, 4656500), (500, 4200163), (550, 3818330), (556, 3777125), (670, 3134450), (695, 3021700), (737, 2849500), (820, 2561075), (902, 2328250), (1025, 2048860), (1100, 1909165), (1340, 1567225), (1375, 1527332), (1390, 1510850), (1474, 1424750), (1529, 1373500), (1675, 1253780), (1804, 1164125), (2050, 1024430), (2255, 931300), (2747, 764500), (2750, 763666), (2780, 755425), (2948, 712375), (3058, 686750), (3350, 626890), (3475, 604340), (3685, 569900), (4100, 512215), (4510, 465650), (5125, 409772), (5494, 382250), (5500, 381833), (5699, 368500), (6116, 343375), (6700, 313445), (6950, 302170), (7370, 284950), (7645, 274700), (8375, 250756), (9020, 232825), (9313, 225500), (10250, 204886), (10988, 191125), (11275, 186260), (11398, 184250), (13735, 152900), (13900, 151085), (14740, 142475), (15290, 137350), (16750, 125378), (17375, 120868), (18425, 113980), (18626, 112750), (20500, 102443), (22550, 93130), (22796, 92125), (27470, 76450), (28495, 73700), (30217, 69500), (30580, 68675), (33500, 62689), (34750, 60434), (36850, 56990), (37252, 56375), (38225, 54940), (45100, 46565)]