213776000

素因数分解:

$2^7\times 5^3\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 128

約数和(自身を含む): 549918720

約数和(自身を除く): 336142720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 310, 320, 400, 431, 496, 500, 620, 640, 775, 800, 862, 992, 1000, 1240, 1550, 1600, 1724, 1984, 2000, 2155, 2480, 3100, 3200, 3448, 3875, 3968, 4000, 4310, 4960, 6200, 6896, 7750, 8000, 8620, 9920, 10775, 12400, 13361, 13792, 15500, 16000, 17240, 19840, 21550, 24800, 26722, 27584, 31000, 34480, 43100, 49600, 53444, 53875, 55168, 62000, 66805, 68960, 86200, 99200, 106888, 107750, 124000, 133610, 137920, 172400, 213776, 215500, 248000, 267220, 275840, 334025, 344800, 427552, 431000, 496000, 534440, 668050, 689600, 855104, 862000, 1068880, 1336100, 1379200, 1670125, 1710208, 1724000, 2137760, 2672200, 3340250, 3448000, 4275520, 5344400, 6680500, 6896000, 8551040, 10688800, 13361000, 21377600, 26722000, 42755200, 53444000, 106888000, 213776000]

約数ペア:

[(1, 213776000), (2, 106888000), (4, 53444000), (5, 42755200), (8, 26722000), (10, 21377600), (16, 13361000), (20, 10688800), (25, 8551040), (31, 6896000), (32, 6680500), (40, 5344400), (50, 4275520), (62, 3448000), (64, 3340250), (80, 2672200), (100, 2137760), (124, 1724000), (125, 1710208), (128, 1670125), (155, 1379200), (160, 1336100), (200, 1068880), (248, 862000), (250, 855104), (310, 689600), (320, 668050), (400, 534440), (431, 496000), (496, 431000), (500, 427552), (620, 344800), (640, 334025), (775, 275840), (800, 267220), (862, 248000), (992, 215500), (1000, 213776), (1240, 172400), (1550, 137920), (1600, 133610), (1724, 124000), (1984, 107750), (2000, 106888), (2155, 99200), (2480, 86200), (3100, 68960), (3200, 66805), (3448, 62000), (3875, 55168), (3968, 53875), (4000, 53444), (4310, 49600), (4960, 43100), (6200, 34480), (6896, 31000), (7750, 27584), (8000, 26722), (8620, 24800), (9920, 21550), (10775, 19840), (12400, 17240), (13361, 16000), (13792, 15500)]