74719120

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 100

約数和(自身を含む): 203184540

約数和(自身を除く): 128465420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 389, 392, 490, 560, 686, 778, 784, 980, 1372, 1556, 1715, 1945, 1960, 2401, 2723, 2744, 3112, 3430, 3890, 3920, 4802, 5446, 5488, 6224, 6860, 7780, 9604, 10892, 12005, 13615, 13720, 15560, 19061, 19208, 21784, 24010, 27230, 27440, 31120, 38122, 38416, 43568, 48020, 54460, 76244, 95305, 96040, 108920, 133427, 152488, 190610, 192080, 217840, 266854, 304976, 381220, 533708, 667135, 762440, 933989, 1067416, 1334270, 1524880, 1867978, 2134832, 2668540, 3735956, 4669945, 5337080, 7471912, 9339890, 10674160, 14943824, 18679780, 37359560, 74719120]

約数ペア:

[(1, 74719120), (2, 37359560), (4, 18679780), (5, 14943824), (7, 10674160), (8, 9339890), (10, 7471912), (14, 5337080), (16, 4669945), (20, 3735956), (28, 2668540), (35, 2134832), (40, 1867978), (49, 1524880), (56, 1334270), (70, 1067416), (80, 933989), (98, 762440), (112, 667135), (140, 533708), (196, 381220), (245, 304976), (280, 266854), (343, 217840), (389, 192080), (392, 190610), (490, 152488), (560, 133427), (686, 108920), (778, 96040), (784, 95305), (980, 76244), (1372, 54460), (1556, 48020), (1715, 43568), (1945, 38416), (1960, 38122), (2401, 31120), (2723, 27440), (2744, 27230), (3112, 24010), (3430, 21784), (3890, 19208), (3920, 19061), (4802, 15560), (5446, 13720), (5488, 13615), (6224, 12005), (6860, 10892), (7780, 9604)]