221872000

素因数分解:

$2^7\times 5^3\times 7^2\times {\mathrm{283}}^1$

素因数の和:326

約数の個数: 192

約数和(自身を含む): 643958640

約数和(自身を除く): 422086640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 128, 140, 160, 175, 196, 200, 224, 245, 250, 280, 283, 320, 350, 392, 400, 448, 490, 500, 560, 566, 640, 700, 784, 800, 875, 896, 980, 1000, 1120, 1132, 1225, 1400, 1415, 1568, 1600, 1750, 1960, 1981, 2000, 2240, 2264, 2450, 2800, 2830, 3136, 3200, 3500, 3920, 3962, 4000, 4480, 4528, 4900, 5600, 5660, 6125, 6272, 7000, 7075, 7840, 7924, 8000, 9056, 9800, 9905, 11200, 11320, 12250, 13867, 14000, 14150, 15680, 15848, 16000, 18112, 19600, 19810, 22400, 22640, 24500, 27734, 28000, 28300, 31360, 31696, 35375, 36224, 39200, 39620, 45280, 49000, 49525, 55468, 56000, 56600, 63392, 69335, 70750, 78400, 79240, 90560, 98000, 99050, 110936, 112000, 113200, 126784, 138670, 141500, 156800, 158480, 181120, 196000, 198100, 221872, 226400, 247625, 253568, 277340, 283000, 316960, 346675, 392000, 396200, 443744, 452800, 495250, 554680, 566000, 633920, 693350, 784000, 792400, 887488, 905600, 990500, 1109360, 1132000, 1267840, 1386700, 1584800, 1733375, 1774976, 1981000, 2218720, 2264000, 2773400, 3169600, 3466750, 3962000, 4437440, 4528000, 5546800, 6339200, 6933500, 7924000, 8874880, 11093600, 13867000, 15848000, 22187200, 27734000, 31696000, 44374400, 55468000, 110936000, 221872000]

約数ペア:

[(1, 221872000), (2, 110936000), (4, 55468000), (5, 44374400), (7, 31696000), (8, 27734000), (10, 22187200), (14, 15848000), (16, 13867000), (20, 11093600), (25, 8874880), (28, 7924000), (32, 6933500), (35, 6339200), (40, 5546800), (49, 4528000), (50, 4437440), (56, 3962000), (64, 3466750), (70, 3169600), (80, 2773400), (98, 2264000), (100, 2218720), (112, 1981000), (125, 1774976), (128, 1733375), (140, 1584800), (160, 1386700), (175, 1267840), (196, 1132000), (200, 1109360), (224, 990500), (245, 905600), (250, 887488), (280, 792400), (283, 784000), (320, 693350), (350, 633920), (392, 566000), (400, 554680), (448, 495250), (490, 452800), (500, 443744), (560, 396200), (566, 392000), (640, 346675), (700, 316960), (784, 283000), (800, 277340), (875, 253568), (896, 247625), (980, 226400), (1000, 221872), (1120, 198100), (1132, 196000), (1225, 181120), (1400, 158480), (1415, 156800), (1568, 141500), (1600, 138670), (1750, 126784), (1960, 113200), (1981, 112000), (2000, 110936), (2240, 99050), (2264, 98000), (2450, 90560), (2800, 79240), (2830, 78400), (3136, 70750), (3200, 69335), (3500, 63392), (3920, 56600), (3962, 56000), (4000, 55468), (4480, 49525), (4528, 49000), (4900, 45280), (5600, 39620), (5660, 39200), (6125, 36224), (6272, 35375), (7000, 31696), (7075, 31360), (7840, 28300), (7924, 28000), (8000, 27734), (9056, 24500), (9800, 22640), (9905, 22400), (11200, 19810), (11320, 19600), (12250, 18112), (13867, 16000), (14000, 15848), (14150, 15680)]