42499100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 106555680

約数和(自身を除く): 64056580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 109, 140, 175, 218, 350, 436, 545, 557, 700, 763, 1090, 1114, 1526, 2180, 2228, 2725, 2785, 3052, 3815, 3899, 5450, 5570, 7630, 7798, 10900, 11140, 13925, 15260, 15596, 19075, 19495, 27850, 38150, 38990, 55700, 60713, 76300, 77980, 97475, 121426, 194950, 242852, 303565, 389900, 424991, 607130, 849982, 1214260, 1517825, 1699964, 2124955, 3035650, 4249910, 6071300, 8499820, 10624775, 21249550, 42499100]

約数ペア:

[(1, 42499100), (2, 21249550), (4, 10624775), (5, 8499820), (7, 6071300), (10, 4249910), (14, 3035650), (20, 2124955), (25, 1699964), (28, 1517825), (35, 1214260), (50, 849982), (70, 607130), (100, 424991), (109, 389900), (140, 303565), (175, 242852), (218, 194950), (350, 121426), (436, 97475), (545, 77980), (557, 76300), (700, 60713), (763, 55700), (1090, 38990), (1114, 38150), (1526, 27850), (2180, 19495), (2228, 19075), (2725, 15596), (2785, 15260), (3052, 13925), (3815, 11140), (3899, 10900), (5450, 7798), (5570, 7630)]