278319070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 551831616

約数和(自身を除く): 273512546

約数列:

[1, 2, 5, 10, 17, 34, 41, 73, 82, 85, 146, 170, 205, 365, 410, 547, 697, 730, 1094, 1241, 1394, 2482, 2735, 2993, 3485, 5470, 5986, 6205, 6970, 9299, 12410, 14965, 18598, 22427, 29930, 39931, 44854, 46495, 50881, 79862, 92990, 101762, 112135, 199655, 224270, 254405, 381259, 399310, 508810, 678827, 762518, 1357654, 1637171, 1906295, 3274342, 3394135, 3812590, 6788270, 8185855, 16371710, 27831907, 55663814, 139159535, 278319070]

約数ペア:

[(1, 278319070), (2, 139159535), (5, 55663814), (10, 27831907), (17, 16371710), (34, 8185855), (41, 6788270), (73, 3812590), (82, 3394135), (85, 3274342), (146, 1906295), (170, 1637171), (205, 1357654), (365, 762518), (410, 678827), (547, 508810), (697, 399310), (730, 381259), (1094, 254405), (1241, 224270), (1394, 199655), (2482, 112135), (2735, 101762), (2993, 92990), (3485, 79862), (5470, 50881), (5986, 46495), (6205, 44854), (6970, 39931), (9299, 29930), (12410, 22427), (14965, 18598)]