218256325

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1601}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 333728640

約数和(自身を除く): 115472315

約数列:

[1, 5, 7, 19, 25, 35, 41, 95, 133, 175, 205, 287, 475, 665, 779, 1025, 1435, 1601, 3325, 3895, 5453, 7175, 8005, 11207, 19475, 27265, 30419, 40025, 56035, 65641, 136325, 152095, 212933, 280175, 328205, 459487, 760475, 1064665, 1247179, 1641025, 2297435, 5323325, 6235895, 8730253, 11487175, 31179475, 43651265, 218256325]

約数ペア:

[(1, 218256325), (5, 43651265), (7, 31179475), (19, 11487175), (25, 8730253), (35, 6235895), (41, 5323325), (95, 2297435), (133, 1641025), (175, 1247179), (205, 1064665), (287, 760475), (475, 459487), (665, 328205), (779, 280175), (1025, 212933), (1435, 152095), (1601, 136325), (3325, 65641), (3895, 56035), (5453, 40025), (7175, 30419), (8005, 27265), (11207, 19475)]