249751420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{15629}}^1$

素因数の和:15702

約数の個数: 48

約数和(自身を含む): 567181440

約数和(自身を除く): 317430020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 7990, 15629, 15980, 31258, 62516, 78145, 156290, 265693, 312580, 531386, 734563, 1062772, 1328465, 1469126, 2656930, 2938252, 3672815, 5313860, 7345630, 12487571, 14691260, 24975142, 49950284, 62437855, 124875710, 249751420]

約数ペア:

[(1, 249751420), (2, 124875710), (4, 62437855), (5, 49950284), (10, 24975142), (17, 14691260), (20, 12487571), (34, 7345630), (47, 5313860), (68, 3672815), (85, 2938252), (94, 2656930), (170, 1469126), (188, 1328465), (235, 1062772), (340, 734563), (470, 531386), (799, 312580), (940, 265693), (1598, 156290), (3196, 78145), (3995, 62516), (7990, 31258), (15629, 15980)]