210328000

素因数分解:

$2^6\times 5^3\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:519

約数の個数: 112

約数和(自身を含む): 530644608

約数和(自身を除く): 320316608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 125, 160, 200, 244, 250, 305, 320, 400, 431, 488, 500, 610, 800, 862, 976, 1000, 1220, 1525, 1600, 1724, 1952, 2000, 2155, 2440, 3050, 3448, 3904, 4000, 4310, 4880, 6100, 6896, 7625, 8000, 8620, 9760, 10775, 12200, 13792, 15250, 17240, 19520, 21550, 24400, 26291, 27584, 30500, 34480, 43100, 48800, 52582, 53875, 61000, 68960, 86200, 97600, 105164, 107750, 122000, 131455, 137920, 172400, 210328, 215500, 244000, 262910, 344800, 420656, 431000, 488000, 525820, 657275, 689600, 841312, 862000, 1051640, 1314550, 1682624, 1724000, 2103280, 2629100, 3286375, 3448000, 4206560, 5258200, 6572750, 8413120, 10516400, 13145500, 21032800, 26291000, 42065600, 52582000, 105164000, 210328000]

約数ペア:

[(1, 210328000), (2, 105164000), (4, 52582000), (5, 42065600), (8, 26291000), (10, 21032800), (16, 13145500), (20, 10516400), (25, 8413120), (32, 6572750), (40, 5258200), (50, 4206560), (61, 3448000), (64, 3286375), (80, 2629100), (100, 2103280), (122, 1724000), (125, 1682624), (160, 1314550), (200, 1051640), (244, 862000), (250, 841312), (305, 689600), (320, 657275), (400, 525820), (431, 488000), (488, 431000), (500, 420656), (610, 344800), (800, 262910), (862, 244000), (976, 215500), (1000, 210328), (1220, 172400), (1525, 137920), (1600, 131455), (1724, 122000), (1952, 107750), (2000, 105164), (2155, 97600), (2440, 86200), (3050, 68960), (3448, 61000), (3904, 53875), (4000, 52582), (4310, 48800), (4880, 43100), (6100, 34480), (6896, 30500), (7625, 27584), (8000, 26291), (8620, 24400), (9760, 21550), (10775, 19520), (12200, 17240), (13792, 15250)]