20100748250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1185

約数の個数: 128

約数和(自身を含む): 42655092480

約数和(自身を除く): 22554344230

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 125, 145, 250, 275, 290, 307, 319, 550, 614, 638, 725, 821, 1375, 1450, 1535, 1595, 1642, 2750, 3070, 3190, 3377, 3625, 4105, 6754, 7250, 7675, 7975, 8210, 8903, 9031, 15350, 15950, 16885, 17806, 18062, 20525, 23809, 33770, 38375, 39875, 41050, 44515, 45155, 47618, 76750, 79750, 84425, 89030, 90310, 97933, 102625, 119045, 168850, 195866, 205250, 222575, 225775, 238090, 252047, 261899, 422125, 445150, 451550, 489665, 504094, 523798, 595225, 844250, 979330, 1112875, 1128875, 1190450, 1260235, 1309495, 2225750, 2257750, 2448325, 2520470, 2618990, 2772517, 2976125, 4896650, 5545034, 5952250, 6301175, 6547475, 7309363, 12241625, 12602350, 13094950, 13862585, 14618726, 24483250, 27725170, 31505875, 32737375, 36546815, 63011750, 65474750, 69312925, 73093630, 80402993, 138625850, 160805986, 182734075, 346564625, 365468150, 402014965, 693129250, 804029930, 913670375, 1827340750, 2010074825, 4020149650, 10050374125, 20100748250]

約数ペア:

[(1, 20100748250), (2, 10050374125), (5, 4020149650), (10, 2010074825), (11, 1827340750), (22, 913670375), (25, 804029930), (29, 693129250), (50, 402014965), (55, 365468150), (58, 346564625), (110, 182734075), (125, 160805986), (145, 138625850), (250, 80402993), (275, 73093630), (290, 69312925), (307, 65474750), (319, 63011750), (550, 36546815), (614, 32737375), (638, 31505875), (725, 27725170), (821, 24483250), (1375, 14618726), (1450, 13862585), (1535, 13094950), (1595, 12602350), (1642, 12241625), (2750, 7309363), (3070, 6547475), (3190, 6301175), (3377, 5952250), (3625, 5545034), (4105, 4896650), (6754, 2976125), (7250, 2772517), (7675, 2618990), (7975, 2520470), (8210, 2448325), (8903, 2257750), (9031, 2225750), (15350, 1309495), (15950, 1260235), (16885, 1190450), (17806, 1128875), (18062, 1112875), (20525, 979330), (23809, 844250), (33770, 595225), (38375, 523798), (39875, 504094), (41050, 489665), (44515, 451550), (45155, 445150), (47618, 422125), (76750, 261899), (79750, 252047), (84425, 238090), (89030, 225775), (90310, 222575), (97933, 205250), (102625, 195866), (119045, 168850)]