254128525

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 370476288

約数和(自身を除く): 116347763

約数列:

[1, 5, 7, 25, 35, 71, 113, 175, 181, 355, 497, 565, 791, 905, 1267, 1775, 2485, 2825, 3955, 4525, 6335, 8023, 12425, 12851, 19775, 20453, 31675, 40115, 56161, 64255, 89957, 102265, 143171, 200575, 280805, 321275, 449785, 511325, 715855, 1404025, 1452163, 2248925, 3579275, 7260815, 10165141, 36304075, 50825705, 254128525]

約数ペア:

[(1, 254128525), (5, 50825705), (7, 36304075), (25, 10165141), (35, 7260815), (71, 3579275), (113, 2248925), (175, 1452163), (181, 1404025), (355, 715855), (497, 511325), (565, 449785), (791, 321275), (905, 280805), (1267, 200575), (1775, 143171), (2485, 102265), (2825, 89957), (3955, 64255), (4525, 56161), (6335, 40115), (8023, 31675), (12425, 20453), (12851, 19775)]