51451925

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 76495104

約数和(自身を除く): 25043179

約数列:

[1, 5, 7, 25, 35, 41, 71, 101, 175, 205, 287, 355, 497, 505, 707, 1025, 1435, 1775, 2485, 2525, 2911, 3535, 4141, 7171, 7175, 12425, 14555, 17675, 20377, 20705, 28987, 35855, 50197, 72775, 101885, 103525, 144935, 179275, 250985, 294011, 509425, 724675, 1254925, 1470055, 2058077, 7350275, 10290385, 51451925]

約数ペア:

[(1, 51451925), (5, 10290385), (7, 7350275), (25, 2058077), (35, 1470055), (41, 1254925), (71, 724675), (101, 509425), (175, 294011), (205, 250985), (287, 179275), (355, 144935), (497, 103525), (505, 101885), (707, 72775), (1025, 50197), (1435, 35855), (1775, 28987), (2485, 20705), (2525, 20377), (2911, 17675), (3535, 14555), (4141, 12425), (7171, 7175)]