306990400

素因数分解:

$2^6\times 5^2\times {\mathrm{313}}^1\times {\mathrm{613}}^1$

素因数の和:948

約数の個数: 84

約数和(自身を含む): 759037852

約数和(自身を除く): 452047452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 313, 320, 400, 613, 626, 800, 1226, 1252, 1565, 1600, 2452, 2504, 3065, 3130, 4904, 5008, 6130, 6260, 7825, 9808, 10016, 12260, 12520, 15325, 15650, 19616, 20032, 24520, 25040, 30650, 31300, 39232, 49040, 50080, 61300, 62600, 98080, 100160, 122600, 125200, 191869, 196160, 245200, 250400, 383738, 490400, 500800, 767476, 959345, 980800, 1534952, 1918690, 3069904, 3837380, 4796725, 6139808, 7674760, 9593450, 12279616, 15349520, 19186900, 30699040, 38373800, 61398080, 76747600, 153495200, 306990400]

約数ペア:

[(1, 306990400), (2, 153495200), (4, 76747600), (5, 61398080), (8, 38373800), (10, 30699040), (16, 19186900), (20, 15349520), (25, 12279616), (32, 9593450), (40, 7674760), (50, 6139808), (64, 4796725), (80, 3837380), (100, 3069904), (160, 1918690), (200, 1534952), (313, 980800), (320, 959345), (400, 767476), (613, 500800), (626, 490400), (800, 383738), (1226, 250400), (1252, 245200), (1565, 196160), (1600, 191869), (2452, 125200), (2504, 122600), (3065, 100160), (3130, 98080), (4904, 62600), (5008, 61300), (6130, 50080), (6260, 49040), (7825, 39232), (9808, 31300), (10016, 30650), (12260, 25040), (12520, 24520), (15325, 20032), (15650, 19616)]