121990400

素因数分解:

$2^8\times 5^2\times 7^2\times {\mathrm{389}}^1$

素因数の和:429

約数の個数: 162

約数和(自身を含む): 352145430

約数和(自身を除く): 230155030

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 256, 280, 320, 350, 389, 392, 400, 448, 490, 560, 640, 700, 778, 784, 800, 896, 980, 1120, 1225, 1280, 1400, 1556, 1568, 1600, 1792, 1945, 1960, 2240, 2450, 2723, 2800, 3112, 3136, 3200, 3890, 3920, 4480, 4900, 5446, 5600, 6224, 6272, 6400, 7780, 7840, 8960, 9725, 9800, 10892, 11200, 12448, 12544, 13615, 15560, 15680, 19061, 19450, 19600, 21784, 22400, 24896, 27230, 31120, 31360, 38122, 38900, 39200, 43568, 44800, 49792, 54460, 62240, 62720, 68075, 76244, 77800, 78400, 87136, 95305, 99584, 108920, 124480, 136150, 152488, 155600, 156800, 174272, 190610, 217840, 248960, 272300, 304976, 311200, 313600, 348544, 381220, 435680, 476525, 497920, 544600, 609952, 622400, 697088, 762440, 871360, 953050, 1089200, 1219904, 1244800, 1524880, 1742720, 1906100, 2178400, 2439808, 2489600, 3049760, 3485440, 3812200, 4356800, 4879616, 6099520, 7624400, 8713600, 12199040, 15248800, 17427200, 24398080, 30497600, 60995200, 121990400]

約数ペア:

[(1, 121990400), (2, 60995200), (4, 30497600), (5, 24398080), (7, 17427200), (8, 15248800), (10, 12199040), (14, 8713600), (16, 7624400), (20, 6099520), (25, 4879616), (28, 4356800), (32, 3812200), (35, 3485440), (40, 3049760), (49, 2489600), (50, 2439808), (56, 2178400), (64, 1906100), (70, 1742720), (80, 1524880), (98, 1244800), (100, 1219904), (112, 1089200), (128, 953050), (140, 871360), (160, 762440), (175, 697088), (196, 622400), (200, 609952), (224, 544600), (245, 497920), (256, 476525), (280, 435680), (320, 381220), (350, 348544), (389, 313600), (392, 311200), (400, 304976), (448, 272300), (490, 248960), (560, 217840), (640, 190610), (700, 174272), (778, 156800), (784, 155600), (800, 152488), (896, 136150), (980, 124480), (1120, 108920), (1225, 99584), (1280, 95305), (1400, 87136), (1556, 78400), (1568, 77800), (1600, 76244), (1792, 68075), (1945, 62720), (1960, 62240), (2240, 54460), (2450, 49792), (2723, 44800), (2800, 43568), (3112, 39200), (3136, 38900), (3200, 38122), (3890, 31360), (3920, 31120), (4480, 27230), (4900, 24896), (5446, 22400), (5600, 21784), (6224, 19600), (6272, 19450), (6400, 19061), (7780, 15680), (7840, 15560), (8960, 13615), (9725, 12544), (9800, 12448), (10892, 11200)]