131349400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1031}}^1$

素因数の和:1074

約数の個数: 144

約数和(自身を含む): 382944240

約数和(自身を除く): 251594840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 104, 130, 140, 175, 182, 196, 200, 245, 260, 280, 325, 350, 364, 392, 455, 490, 520, 637, 650, 700, 728, 910, 980, 1031, 1225, 1274, 1300, 1400, 1820, 1960, 2062, 2275, 2450, 2548, 2600, 3185, 3640, 4124, 4550, 4900, 5096, 5155, 6370, 7217, 8248, 9100, 9800, 10310, 12740, 13403, 14434, 15925, 18200, 20620, 25480, 25775, 26806, 28868, 31850, 36085, 41240, 50519, 51550, 53612, 57736, 63700, 67015, 72170, 93821, 101038, 103100, 107224, 127400, 134030, 144340, 180425, 187642, 202076, 206200, 252595, 268060, 288680, 335075, 360850, 375284, 404152, 469105, 505190, 536120, 656747, 670150, 721700, 750568, 938210, 1010380, 1262975, 1313494, 1340300, 1443400, 1876420, 2020760, 2345525, 2525950, 2626988, 2680600, 3283735, 3752840, 4691050, 5051900, 5253976, 6567470, 9382100, 10103800, 13134940, 16418675, 18764200, 26269880, 32837350, 65674700, 131349400]

約数ペア:

[(1, 131349400), (2, 65674700), (4, 32837350), (5, 26269880), (7, 18764200), (8, 16418675), (10, 13134940), (13, 10103800), (14, 9382100), (20, 6567470), (25, 5253976), (26, 5051900), (28, 4691050), (35, 3752840), (40, 3283735), (49, 2680600), (50, 2626988), (52, 2525950), (56, 2345525), (65, 2020760), (70, 1876420), (91, 1443400), (98, 1340300), (100, 1313494), (104, 1262975), (130, 1010380), (140, 938210), (175, 750568), (182, 721700), (196, 670150), (200, 656747), (245, 536120), (260, 505190), (280, 469105), (325, 404152), (350, 375284), (364, 360850), (392, 335075), (455, 288680), (490, 268060), (520, 252595), (637, 206200), (650, 202076), (700, 187642), (728, 180425), (910, 144340), (980, 134030), (1031, 127400), (1225, 107224), (1274, 103100), (1300, 101038), (1400, 93821), (1820, 72170), (1960, 67015), (2062, 63700), (2275, 57736), (2450, 53612), (2548, 51550), (2600, 50519), (3185, 41240), (3640, 36085), (4124, 31850), (4550, 28868), (4900, 26806), (5096, 25775), (5155, 25480), (6370, 20620), (7217, 18200), (8248, 15925), (9100, 14434), (9800, 13403), (10310, 12740)]