7794920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 21115080

約数和(自身を除く): 13320160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 97, 98, 140, 164, 194, 196, 205, 245, 280, 287, 328, 388, 392, 410, 485, 490, 574, 679, 776, 820, 970, 980, 1148, 1358, 1435, 1640, 1940, 1960, 2009, 2296, 2716, 2870, 3395, 3880, 3977, 4018, 4753, 5432, 5740, 6790, 7954, 8036, 9506, 10045, 11480, 13580, 15908, 16072, 19012, 19885, 20090, 23765, 27160, 27839, 31816, 38024, 39770, 40180, 47530, 55678, 79540, 80360, 95060, 111356, 139195, 159080, 190120, 194873, 222712, 278390, 389746, 556780, 779492, 974365, 1113560, 1558984, 1948730, 3897460, 7794920]

約数ペア:

[(1, 7794920), (2, 3897460), (4, 1948730), (5, 1558984), (7, 1113560), (8, 974365), (10, 779492), (14, 556780), (20, 389746), (28, 278390), (35, 222712), (40, 194873), (41, 190120), (49, 159080), (56, 139195), (70, 111356), (82, 95060), (97, 80360), (98, 79540), (140, 55678), (164, 47530), (194, 40180), (196, 39770), (205, 38024), (245, 31816), (280, 27839), (287, 27160), (328, 23765), (388, 20090), (392, 19885), (410, 19012), (485, 16072), (490, 15908), (574, 13580), (679, 11480), (776, 10045), (820, 9506), (970, 8036), (980, 7954), (1148, 6790), (1358, 5740), (1435, 5432), (1640, 4753), (1940, 4018), (1960, 3977), (2009, 3880), (2296, 3395), (2716, 2870)]