642742450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{5087}}^1$

素因数の和:5144

約数の個数: 72

約数和(自身を含む): 1442264832

約数和(自身を除く): 799522382

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 361, 475, 665, 722, 950, 1330, 1805, 2527, 3325, 3610, 5054, 5087, 6650, 9025, 10174, 12635, 18050, 25270, 25435, 35609, 50870, 63175, 71218, 96653, 126350, 127175, 178045, 193306, 254350, 356090, 483265, 676571, 890225, 966530, 1353142, 1780450, 1836407, 2416325, 3382855, 3672814, 4832650, 6765710, 9182035, 12854849, 16914275, 18364070, 25709698, 33828550, 45910175, 64274245, 91820350, 128548490, 321371225, 642742450]

約数ペア:

[(1, 642742450), (2, 321371225), (5, 128548490), (7, 91820350), (10, 64274245), (14, 45910175), (19, 33828550), (25, 25709698), (35, 18364070), (38, 16914275), (50, 12854849), (70, 9182035), (95, 6765710), (133, 4832650), (175, 3672814), (190, 3382855), (266, 2416325), (350, 1836407), (361, 1780450), (475, 1353142), (665, 966530), (722, 890225), (950, 676571), (1330, 483265), (1805, 356090), (2527, 254350), (3325, 193306), (3610, 178045), (5054, 127175), (5087, 126350), (6650, 96653), (9025, 71218), (10174, 63175), (12635, 50870), (18050, 35609), (25270, 25435)]