1909142750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1361}}^1$

素因数の和:1590

約数の個数: 64

約数和(自身を含む): 3712310784

約数和(自身を除く): 1803168034

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 181, 250, 310, 362, 775, 905, 1361, 1550, 1810, 2722, 3875, 4525, 5611, 6805, 7750, 9050, 11222, 13610, 22625, 28055, 34025, 42191, 45250, 56110, 68050, 84382, 140275, 170125, 210955, 246341, 280550, 340250, 421910, 492682, 701375, 1054775, 1231705, 1402750, 2109550, 2463410, 5273875, 6158525, 7636571, 10547750, 12317050, 15273142, 30792625, 38182855, 61585250, 76365710, 190914275, 381828550, 954571375, 1909142750]

約数ペア:

[(1, 1909142750), (2, 954571375), (5, 381828550), (10, 190914275), (25, 76365710), (31, 61585250), (50, 38182855), (62, 30792625), (125, 15273142), (155, 12317050), (181, 10547750), (250, 7636571), (310, 6158525), (362, 5273875), (775, 2463410), (905, 2109550), (1361, 1402750), (1550, 1231705), (1810, 1054775), (2722, 701375), (3875, 492682), (4525, 421910), (5611, 340250), (6805, 280550), (7750, 246341), (9050, 210955), (11222, 170125), (13610, 140275), (22625, 84382), (28055, 68050), (34025, 56110), (42191, 45250)]