254290400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:546

約数の個数: 216

約数和(自身を含む): 779247000

約数和(自身を除く): 524956600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 49, 50, 52, 56, 65, 70, 80, 91, 98, 100, 104, 112, 130, 140, 160, 175, 182, 196, 200, 208, 224, 245, 260, 280, 325, 350, 364, 392, 400, 416, 455, 490, 499, 520, 560, 637, 650, 700, 728, 784, 800, 910, 980, 998, 1040, 1120, 1225, 1274, 1300, 1400, 1456, 1568, 1820, 1960, 1996, 2080, 2275, 2450, 2495, 2548, 2600, 2800, 2912, 3185, 3493, 3640, 3920, 3992, 4550, 4900, 4990, 5096, 5200, 5600, 6370, 6487, 6986, 7280, 7840, 7984, 9100, 9800, 9980, 10192, 10400, 12475, 12740, 12974, 13972, 14560, 15925, 15968, 17465, 18200, 19600, 19960, 20384, 24451, 24950, 25480, 25948, 27944, 31850, 32435, 34930, 36400, 39200, 39920, 45409, 48902, 49900, 50960, 51896, 55888, 63700, 64870, 69860, 72800, 79840, 87325, 90818, 97804, 99800, 101920, 103792, 111776, 122255, 127400, 129740, 139720, 162175, 174650, 181636, 195608, 199600, 207584, 227045, 244510, 254800, 259480, 279440, 317863, 324350, 349300, 363272, 391216, 399200, 454090, 489020, 509600, 518960, 558880, 611275, 635726, 648700, 698600, 726544, 782432, 908180, 978040, 1037920, 1135225, 1222550, 1271452, 1297400, 1397200, 1453088, 1589315, 1816360, 1956080, 2270450, 2445100, 2542904, 2594800, 2794400, 3178630, 3632720, 3912160, 4540900, 4890200, 5085808, 5189600, 6357260, 7265440, 7946575, 9081800, 9780400, 10171616, 12714520, 15893150, 18163600, 19560800, 25429040, 31786300, 36327200, 50858080, 63572600, 127145200, 254290400]

約数ペア:

[(1, 254290400), (2, 127145200), (4, 63572600), (5, 50858080), (7, 36327200), (8, 31786300), (10, 25429040), (13, 19560800), (14, 18163600), (16, 15893150), (20, 12714520), (25, 10171616), (26, 9780400), (28, 9081800), (32, 7946575), (35, 7265440), (40, 6357260), (49, 5189600), (50, 5085808), (52, 4890200), (56, 4540900), (65, 3912160), (70, 3632720), (80, 3178630), (91, 2794400), (98, 2594800), (100, 2542904), (104, 2445100), (112, 2270450), (130, 1956080), (140, 1816360), (160, 1589315), (175, 1453088), (182, 1397200), (196, 1297400), (200, 1271452), (208, 1222550), (224, 1135225), (245, 1037920), (260, 978040), (280, 908180), (325, 782432), (350, 726544), (364, 698600), (392, 648700), (400, 635726), (416, 611275), (455, 558880), (490, 518960), (499, 509600), (520, 489020), (560, 454090), (637, 399200), (650, 391216), (700, 363272), (728, 349300), (784, 324350), (800, 317863), (910, 279440), (980, 259480), (998, 254800), (1040, 244510), (1120, 227045), (1225, 207584), (1274, 199600), (1300, 195608), (1400, 181636), (1456, 174650), (1568, 162175), (1820, 139720), (1960, 129740), (1996, 127400), (2080, 122255), (2275, 111776), (2450, 103792), (2495, 101920), (2548, 99800), (2600, 97804), (2800, 90818), (2912, 87325), (3185, 79840), (3493, 72800), (3640, 69860), (3920, 64870), (3992, 63700), (4550, 55888), (4900, 51896), (4990, 50960), (5096, 49900), (5200, 48902), (5600, 45409), (6370, 39920), (6487, 39200), (6986, 36400), (7280, 34930), (7840, 32435), (7984, 31850), (9100, 27944), (9800, 25948), (9980, 25480), (10192, 24950), (10400, 24451), (12475, 20384), (12740, 19960), (12974, 19600), (13972, 18200), (14560, 17465), (15925, 15968)]