1885465000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:357

約数の個数: 160

約数和(自身を含む): 4723488000

約数和(自身を除く): 2838023000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 89, 95, 100, 125, 152, 178, 190, 200, 223, 250, 356, 380, 445, 446, 475, 500, 625, 712, 760, 890, 892, 950, 1000, 1115, 1250, 1691, 1780, 1784, 1900, 2225, 2230, 2375, 2500, 3382, 3560, 3800, 4237, 4450, 4460, 4750, 5000, 5575, 6764, 8455, 8474, 8900, 8920, 9500, 11125, 11150, 11875, 13528, 16910, 16948, 17800, 19000, 19847, 21185, 22250, 22300, 23750, 27875, 33820, 33896, 39694, 42275, 42370, 44500, 44600, 47500, 55625, 55750, 67640, 79388, 84550, 84740, 89000, 95000, 99235, 105925, 111250, 111500, 139375, 158776, 169100, 169480, 198470, 211375, 211850, 222500, 223000, 278750, 338200, 377093, 396940, 422750, 423700, 445000, 496175, 529625, 557500, 754186, 793880, 845500, 847400, 992350, 1056875, 1059250, 1115000, 1508372, 1691000, 1885465, 1984700, 2113750, 2118500, 2480875, 2648125, 3016744, 3770930, 3969400, 4227500, 4237000, 4961750, 5296250, 7541860, 8455000, 9427325, 9923500, 10592500, 12404375, 15083720, 18854650, 19847000, 21185000, 24808750, 37709300, 47136625, 49617500, 75418600, 94273250, 99235000, 188546500, 235683125, 377093000, 471366250, 942732500, 1885465000]

約数ペア:

[(1, 1885465000), (2, 942732500), (4, 471366250), (5, 377093000), (8, 235683125), (10, 188546500), (19, 99235000), (20, 94273250), (25, 75418600), (38, 49617500), (40, 47136625), (50, 37709300), (76, 24808750), (89, 21185000), (95, 19847000), (100, 18854650), (125, 15083720), (152, 12404375), (178, 10592500), (190, 9923500), (200, 9427325), (223, 8455000), (250, 7541860), (356, 5296250), (380, 4961750), (445, 4237000), (446, 4227500), (475, 3969400), (500, 3770930), (625, 3016744), (712, 2648125), (760, 2480875), (890, 2118500), (892, 2113750), (950, 1984700), (1000, 1885465), (1115, 1691000), (1250, 1508372), (1691, 1115000), (1780, 1059250), (1784, 1056875), (1900, 992350), (2225, 847400), (2230, 845500), (2375, 793880), (2500, 754186), (3382, 557500), (3560, 529625), (3800, 496175), (4237, 445000), (4450, 423700), (4460, 422750), (4750, 396940), (5000, 377093), (5575, 338200), (6764, 278750), (8455, 223000), (8474, 222500), (8900, 211850), (8920, 211375), (9500, 198470), (11125, 169480), (11150, 169100), (11875, 158776), (13528, 139375), (16910, 111500), (16948, 111250), (17800, 105925), (19000, 99235), (19847, 95000), (21185, 89000), (22250, 84740), (22300, 84550), (23750, 79388), (27875, 67640), (33820, 55750), (33896, 55625), (39694, 47500), (42275, 44600), (42370, 44500)]