39886890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 105338880

約数和(自身を除く): 65451990

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 38, 57, 58, 87, 95, 114, 127, 145, 174, 190, 254, 285, 290, 361, 381, 435, 551, 570, 635, 722, 762, 870, 1083, 1102, 1270, 1653, 1805, 1905, 2166, 2413, 2755, 3306, 3610, 3683, 3810, 4826, 5415, 5510, 7239, 7366, 8265, 10469, 10830, 11049, 12065, 14478, 16530, 18415, 20938, 22098, 24130, 31407, 36195, 36830, 45847, 52345, 55245, 62814, 69977, 72390, 91694, 104690, 110490, 137541, 139954, 157035, 209931, 229235, 275082, 314070, 349885, 419862, 458470, 687705, 699770, 1049655, 1329563, 1375410, 2099310, 2659126, 3988689, 6647815, 7977378, 13295630, 19943445, 39886890]

約数ペア:

[(1, 39886890), (2, 19943445), (3, 13295630), (5, 7977378), (6, 6647815), (10, 3988689), (15, 2659126), (19, 2099310), (29, 1375410), (30, 1329563), (38, 1049655), (57, 699770), (58, 687705), (87, 458470), (95, 419862), (114, 349885), (127, 314070), (145, 275082), (174, 229235), (190, 209931), (254, 157035), (285, 139954), (290, 137541), (361, 110490), (381, 104690), (435, 91694), (551, 72390), (570, 69977), (635, 62814), (722, 55245), (762, 52345), (870, 45847), (1083, 36830), (1102, 36195), (1270, 31407), (1653, 24130), (1805, 22098), (1905, 20938), (2166, 18415), (2413, 16530), (2755, 14478), (3306, 12065), (3610, 11049), (3683, 10830), (3810, 10469), (4826, 8265), (5415, 7366), (5510, 7239)]