881966680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{4639}}^1$

素因数の和:4761

約数の個数: 96

約数和(自身を含む): 2332713600

約数和(自身を除く): 1450746920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 97, 98, 140, 194, 196, 245, 280, 388, 392, 485, 490, 679, 776, 970, 980, 1358, 1940, 1960, 2716, 3395, 3880, 4639, 4753, 5432, 6790, 9278, 9506, 13580, 18556, 19012, 23195, 23765, 27160, 32473, 37112, 38024, 46390, 47530, 64946, 92780, 95060, 129892, 162365, 185560, 190120, 227311, 259784, 324730, 449983, 454622, 649460, 899966, 909244, 1136555, 1298920, 1799932, 1818488, 2249915, 2273110, 3149881, 3599864, 4499830, 4546220, 6299762, 8999660, 9092440, 12599524, 15749405, 17999320, 22049167, 25199048, 31498810, 44098334, 62997620, 88196668, 110245835, 125995240, 176393336, 220491670, 440983340, 881966680]

約数ペア:

[(1, 881966680), (2, 440983340), (4, 220491670), (5, 176393336), (7, 125995240), (8, 110245835), (10, 88196668), (14, 62997620), (20, 44098334), (28, 31498810), (35, 25199048), (40, 22049167), (49, 17999320), (56, 15749405), (70, 12599524), (97, 9092440), (98, 8999660), (140, 6299762), (194, 4546220), (196, 4499830), (245, 3599864), (280, 3149881), (388, 2273110), (392, 2249915), (485, 1818488), (490, 1799932), (679, 1298920), (776, 1136555), (970, 909244), (980, 899966), (1358, 649460), (1940, 454622), (1960, 449983), (2716, 324730), (3395, 259784), (3880, 227311), (4639, 190120), (4753, 185560), (5432, 162365), (6790, 129892), (9278, 95060), (9506, 92780), (13580, 64946), (18556, 47530), (19012, 46390), (23195, 38024), (23765, 37112), (27160, 32473)]