209544500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1290

約数の個数: 96

約数和(自身を含む): 515773440

約数和(自身を除く): 306228940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 125, 155, 220, 250, 275, 310, 341, 500, 550, 620, 682, 775, 1100, 1229, 1364, 1375, 1550, 1705, 2458, 2750, 3100, 3410, 3875, 4916, 5500, 6145, 6820, 7750, 8525, 12290, 13519, 15500, 17050, 24580, 27038, 30725, 34100, 38099, 42625, 54076, 61450, 67595, 76198, 85250, 122900, 135190, 152396, 153625, 170500, 190495, 270380, 307250, 337975, 380990, 419089, 614500, 675950, 761980, 838178, 952475, 1351900, 1676356, 1689875, 1904950, 2095445, 3379750, 3809900, 4190890, 4762375, 6759500, 8381780, 9524750, 10477225, 19049500, 20954450, 41908900, 52386125, 104772250, 209544500]

約数ペア:

[(1, 209544500), (2, 104772250), (4, 52386125), (5, 41908900), (10, 20954450), (11, 19049500), (20, 10477225), (22, 9524750), (25, 8381780), (31, 6759500), (44, 4762375), (50, 4190890), (55, 3809900), (62, 3379750), (100, 2095445), (110, 1904950), (124, 1689875), (125, 1676356), (155, 1351900), (220, 952475), (250, 838178), (275, 761980), (310, 675950), (341, 614500), (500, 419089), (550, 380990), (620, 337975), (682, 307250), (775, 270380), (1100, 190495), (1229, 170500), (1364, 153625), (1375, 152396), (1550, 135190), (1705, 122900), (2458, 85250), (2750, 76198), (3100, 67595), (3410, 61450), (3875, 54076), (4916, 42625), (5500, 38099), (6145, 34100), (6820, 30725), (7750, 27038), (8525, 24580), (12290, 17050), (13519, 15500)]