71351890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 144516960

約数和(自身を除く): 73165070

約数列:

[1, 2, 5, 10, 17, 29, 34, 41, 58, 82, 85, 145, 170, 205, 290, 353, 410, 493, 697, 706, 986, 1189, 1394, 1765, 2378, 2465, 3485, 3530, 4930, 5945, 6001, 6970, 10237, 11890, 12002, 14473, 20213, 20474, 28946, 30005, 40426, 51185, 60010, 72365, 101065, 102370, 144730, 174029, 202130, 246041, 348058, 419717, 492082, 839434, 870145, 1230205, 1740290, 2098585, 2460410, 4197170, 7135189, 14270378, 35675945, 71351890]

約数ペア:

[(1, 71351890), (2, 35675945), (5, 14270378), (10, 7135189), (17, 4197170), (29, 2460410), (34, 2098585), (41, 1740290), (58, 1230205), (82, 870145), (85, 839434), (145, 492082), (170, 419717), (205, 348058), (290, 246041), (353, 202130), (410, 174029), (493, 144730), (697, 102370), (706, 101065), (986, 72365), (1189, 60010), (1394, 51185), (1765, 40426), (2378, 30005), (2465, 28946), (3485, 20474), (3530, 20213), (4930, 14473), (5945, 12002), (6001, 11890), (6970, 10237)]