488978875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 769886208

約数和(自身を除く): 280907333

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 101, 125, 175, 275, 385, 503, 505, 707, 875, 1111, 1375, 1925, 2515, 2525, 3521, 3535, 5533, 5555, 7777, 9625, 12575, 12625, 17605, 17675, 27665, 27775, 38731, 38885, 50803, 62875, 88025, 88375, 138325, 138875, 193655, 194425, 254015, 355621, 440125, 558833, 691625, 968275, 972125, 1270075, 1778105, 2794165, 3911831, 4841375, 6350375, 8890525, 13970825, 19559155, 44452625, 69854125, 97795775, 488978875]

約数ペア:

[(1, 488978875), (5, 97795775), (7, 69854125), (11, 44452625), (25, 19559155), (35, 13970825), (55, 8890525), (77, 6350375), (101, 4841375), (125, 3911831), (175, 2794165), (275, 1778105), (385, 1270075), (503, 972125), (505, 968275), (707, 691625), (875, 558833), (1111, 440125), (1375, 355621), (1925, 254015), (2515, 194425), (2525, 193655), (3521, 138875), (3535, 138325), (5533, 88375), (5555, 88025), (7777, 62875), (9625, 50803), (12575, 38885), (12625, 38731), (17605, 27775), (17675, 27665)]