490622604975

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{2179}}^1\times {\mathrm{7639}}^1$

素因数の和:9965

約数の個数: 72

約数和(自身を含む): 885990019200

約数和(自身を除く): 395367414225

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 393, 655, 1179, 1965, 2179, 3275, 5895, 6537, 7639, 9825, 10895, 19611, 22917, 29475, 32685, 38195, 54475, 68751, 98055, 114585, 163425, 190975, 285449, 343755, 490275, 572925, 856347, 1000709, 1427245, 1718775, 2569041, 3002127, 4281735, 5003545, 7136225, 9006381, 12845205, 15010635, 16645381, 21408675, 25017725, 45031905, 49936143, 64226025, 75053175, 83226905, 149808429, 225159525, 249680715, 416134525, 749042145, 1248403575, 2180544911, 3745210725, 6541634733, 10902724555, 19624904199, 32708173665, 54513622775, 98124520995, 163540868325, 490622604975]

約数ペア:

[(1, 490622604975), (3, 163540868325), (5, 98124520995), (9, 54513622775), (15, 32708173665), (25, 19624904199), (45, 10902724555), (75, 6541634733), (131, 3745210725), (225, 2180544911), (393, 1248403575), (655, 749042145), (1179, 416134525), (1965, 249680715), (2179, 225159525), (3275, 149808429), (5895, 83226905), (6537, 75053175), (7639, 64226025), (9825, 49936143), (10895, 45031905), (19611, 25017725), (22917, 21408675), (29475, 16645381), (32685, 15010635), (38195, 12845205), (54475, 9006381), (68751, 7136225), (98055, 5003545), (114585, 4281735), (163425, 3002127), (190975, 2569041), (285449, 1718775), (343755, 1427245), (490275, 1000709), (572925, 856347)]