79755340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{839}}^1$

素因数の和:959

約数の個数: 72

約数和(自身を含む): 197074080

約数和(自身を除く): 117318740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 679, 839, 970, 980, 1358, 1678, 1940, 2716, 3356, 3395, 4195, 4753, 5873, 6790, 8390, 9506, 11746, 13580, 16780, 19012, 23492, 23765, 29365, 41111, 47530, 58730, 81383, 82222, 95060, 117460, 162766, 164444, 205555, 325532, 406915, 411110, 569681, 813830, 822220, 1139362, 1627660, 2278724, 2848405, 3987767, 5696810, 7975534, 11393620, 15951068, 19938835, 39877670, 79755340]

約数ペア:

[(1, 79755340), (2, 39877670), (4, 19938835), (5, 15951068), (7, 11393620), (10, 7975534), (14, 5696810), (20, 3987767), (28, 2848405), (35, 2278724), (49, 1627660), (70, 1139362), (97, 822220), (98, 813830), (140, 569681), (194, 411110), (196, 406915), (245, 325532), (388, 205555), (485, 164444), (490, 162766), (679, 117460), (839, 95060), (970, 82222), (980, 81383), (1358, 58730), (1678, 47530), (1940, 41111), (2716, 29365), (3356, 23765), (3395, 23492), (4195, 19012), (4753, 16780), (5873, 13580), (6790, 11746), (8390, 9506)]