309129520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{17807}}^1$

素因数の和:17858

約数の個数: 80

約数和(自身を含む): 847945728

約数和(自身を除く): 538816208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 17807, 35614, 71228, 89035, 124649, 142456, 178070, 249298, 284912, 356140, 498596, 552017, 623245, 712280, 997192, 1104034, 1246490, 1424560, 1994384, 2208068, 2492980, 2760085, 3864119, 4416136, 4985960, 5520170, 7728238, 8832272, 9971920, 11040340, 15456476, 19320595, 22080680, 30912952, 38641190, 44161360, 61825904, 77282380, 154564760, 309129520]

約数ペア:

[(1, 309129520), (2, 154564760), (4, 77282380), (5, 61825904), (7, 44161360), (8, 38641190), (10, 30912952), (14, 22080680), (16, 19320595), (20, 15456476), (28, 11040340), (31, 9971920), (35, 8832272), (40, 7728238), (56, 5520170), (62, 4985960), (70, 4416136), (80, 3864119), (112, 2760085), (124, 2492980), (140, 2208068), (155, 1994384), (217, 1424560), (248, 1246490), (280, 1104034), (310, 997192), (434, 712280), (496, 623245), (560, 552017), (620, 498596), (868, 356140), (1085, 284912), (1240, 249298), (1736, 178070), (2170, 142456), (2480, 124649), (3472, 89035), (4340, 71228), (8680, 35614), (17360, 17807)]