217638250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1324

約数の個数: 64

約数和(自身を含む): 442260000

約数和(自身を除く): 224621750

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 125, 170, 205, 250, 410, 425, 697, 850, 1025, 1249, 1394, 2050, 2125, 2498, 3485, 4250, 5125, 6245, 6970, 10250, 12490, 17425, 21233, 31225, 34850, 42466, 51209, 62450, 87125, 102418, 106165, 156125, 174250, 212330, 256045, 312250, 512090, 530825, 870553, 1061650, 1280225, 1741106, 2560450, 2654125, 4352765, 5308250, 6401125, 8705530, 12802250, 21763825, 43527650, 108819125, 217638250]

約数ペア:

[(1, 217638250), (2, 108819125), (5, 43527650), (10, 21763825), (17, 12802250), (25, 8705530), (34, 6401125), (41, 5308250), (50, 4352765), (82, 2654125), (85, 2560450), (125, 1741106), (170, 1280225), (205, 1061650), (250, 870553), (410, 530825), (425, 512090), (697, 312250), (850, 256045), (1025, 212330), (1249, 174250), (1394, 156125), (2050, 106165), (2125, 102418), (2498, 87125), (3485, 62450), (4250, 51209), (5125, 42466), (6245, 34850), (6970, 31225), (10250, 21233), (12490, 17425)]